973398306745 has 4 divisors (see below), whose sum is σ = 1168077968100. Its totient is φ = 778718645392.

The previous prime is 973398306731. The next prime is 973398306757. The reversal of 973398306745 is 547603893379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547603893379 = 769 ⋅712098691.

It can be written as a sum of positive squares in 2 ways, for example, as 181349925904 + 792048380841 = 425852^2 + 889971^2 .

It is a cyclic number.

It is not a de Polignac number, because 973398306745 - 2⁹ = 973398306233 is a prime.

It is a super-2 number, since 2×973398306745² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97339830670 + ... + 97339830679.

It is an arithmetic number, because the mean of its divisors is an integer number (292019492025).

Almost surely, 2^973398306745 is an apocalyptic number.

It is an amenable number.

973398306745 is a deficient number, since it is larger than the sum of its proper divisors (194679661355).

973398306745 is a wasteful number, since it uses less digits than its factorization.

973398306745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194679661354.

The product of its (nonzero) digits is 102876480, while the sum is 64.

The spelling of 973398306745 in words is "nine hundred seventy-three billion, three hundred ninety-eight million, three hundred six thousand, seven hundred forty-five".