769402190923 has 2 divisors, whose sum is σ = 769402190924. Its totient is φ = 769402190922.

The previous prime is 769402190861. The next prime is 769402190941. The reversal of 769402190923 is 329091204967.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-769402190923 is a prime.

It is a super-2 number, since 2×769402190923² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (769402130923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384701095461 + 384701095462.

It is an arithmetic number, because the mean of its divisors is an integer number (384701095462).

Almost surely, 2^769402190923 is an apocalyptic number.

769402190923 is a deficient number, since it is larger than the sum of its proper divisors (1).

769402190923 is an equidigital number, since it uses as much as digits as its factorization.

769402190923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 769402190923 in words is "seven hundred sixty-nine billion, four hundred two million, one hundred ninety thousand, nine hundred twenty-three".