769038631 has 2 divisors, whose sum is σ = 769038632. Its totient is φ = 769038630.

The previous prime is 769038619. The next prime is 769038691. The reversal of 769038631 is 136830967.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-769038631 is a prime.

It is a super-2 number, since 2×769038631² = 1182840831940708322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769038691) 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, 384519315 + 384519316.

It is an arithmetic number, because the mean of its divisors is an integer number (384519316).

Almost surely, 2^769038631 is an apocalyptic number.

769038631 is a deficient number, since it is larger than the sum of its proper divisors (1).

769038631 is an equidigital number, since it uses as much as digits as its factorization.

769038631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 769038631 is about 27731.5457737213. The cubic root of 769038631 is about 916.1840329784.

The spelling of 769038631 in words is "seven hundred sixty-nine million, thirty-eight thousand, six hundred thirty-one".