772692043969 has 2 divisors, whose sum is σ = 772692043970. Its totient is φ = 772692043968.

The previous prime is 772692043967. The next prime is 772692043993. The reversal of 772692043969 is 969340296277.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609547140225 + 163144903744 = 780735^2 + 403912^2 .

It is a cyclic number.

It is not a de Polignac number, because 772692043969 - 2¹ = 772692043967 is a prime.

It is a super-2 number, since 2×772692043969² (a number of 25 digits) contains 22 as substring.

Together with 772692043967, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 772692043969.

It is not a weakly prime, because it can be changed into another prime (772692043967) 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 as a sum of consecutive naturals, namely, 386346021984 + 386346021985.

It is an arithmetic number, because the mean of its divisors is an integer number (386346021985).

Almost surely, 2^772692043969 is an apocalyptic number.

It is an amenable number.

772692043969 is a deficient number, since it is larger than the sum of its proper divisors (1).

772692043969 is an equidigital number, since it uses as much as digits as its factorization.

772692043969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61725888, while the sum is 64.

The spelling of 772692043969 in words is "seven hundred seventy-two billion, six hundred ninety-two million, forty-three thousand, nine hundred sixty-nine".