769063681 has 4 divisors (see below), whose sum is σ = 769137664. Its totient is φ = 768989700.

The previous prime is 769063651. The next prime is 769063723. The reversal of 769063681 is 186360967.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 769063681 - 2⁷ = 769063553 is a prime.

It is a super-2 number, since 2×769063681² = 1182917890866539522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (769063621) 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 3 ways as a sum of consecutive naturals, for example, 18225 + ... + 43246.

It is an arithmetic number, because the mean of its divisors is an integer number (192284416).

Almost surely, 2^769063681 is an apocalyptic number.

It is an amenable number.

769063681 is a deficient number, since it is larger than the sum of its proper divisors (73983).

769063681 is a wasteful number, since it uses less digits than its factorization.

769063681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73982.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 769063681 is about 27731.9974217509. The cubic root of 769063681 is about 916.1939805328.

The spelling of 769063681 in words is "seven hundred sixty-nine million, sixty-three thousand, six hundred eighty-one".