973176331009 has 3 divisors (see below), whose sum is σ = 973177317507. Its totient is φ = 973175344512.

The previous prime is 973176330989. The next prime is 973176331031. The reversal of 973176331009 is 900133671379.

The square root of 973176331009 is 986497.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 900133671379 = 7039 ⋅127878061.

It can be written as a sum of positive squares in only one way, i.e., 155728890625 + 817447440384 = 394625^2 + 904128^2 .

It is not a de Polignac number, because 973176331009 - 2⁷ = 973176330881 is a prime.

It is a super-2 number, since 2×973176331009² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (973176331079) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 493249 + ... + 1479745.

It is an arithmetic number, because the mean of its divisors is an integer number (324392439169).

Almost surely, 2^973176331009 is an apocalyptic number.

973176331009 is the 986497-th square number.

973176331009 is the 493249-th centered octagonal number.

It is an amenable number.

973176331009 is a deficient number, since it is larger than the sum of its proper divisors (986498).

973176331009 is an frugal number, since it uses more digits than its factorization.

973176331009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972994 (or 986497 counting only the distinct ones).

The product of its (nonzero) digits is 642978, while the sum is 49.

Multiplying 973176331009 by its sum of digits (49), we get a square (47685640219441 = 6905479²).

The spelling of 973176331009 in words is "nine hundred seventy-three billion, one hundred seventy-six million, three hundred thirty-one thousand, nine".