773117491441 has 3 divisors (see below), whose sum is σ = 773118370713. Its totient is φ = 773116612170.

The previous prime is 773117491439. The next prime is 773117491499. The reversal of 773117491441 is 144194711377.

The square root of 773117491441 is 879271.

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: 144194711377 = 236729 ⋅609113.

It is not a de Polignac number, because 773117491441 - 2¹ = 773117491439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (773117495441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 439636 + ... + 1318906.

It is an arithmetic number, because the mean of its divisors is an integer number (257706123571).

Almost surely, 2^773117491441 is an apocalyptic number.

773117491441 is the 879271-st square number.

773117491441 is the 439636-th centered octagonal number.

It is an amenable number.

773117491441 is a deficient number, since it is larger than the sum of its proper divisors (879272).

773117491441 is an frugal number, since it uses more digits than its factorization.

773117491441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758542 (or 879271 counting only the distinct ones).

The product of its digits is 592704, while the sum is 49.

Multiplying 773117491441 by its sum of digits (49), we get a square (37882757080609 = 6154897²).

The spelling of 773117491441 in words is "seven hundred seventy-three billion, one hundred seventeen million, four hundred ninety-one thousand, four hundred forty-one".