765904214490 has 16 divisors (see below), whose sum is σ = 1838170114848. Its totient is φ = 204241123856.

The previous prime is 765904214483. The next prime is 765904214533. The reversal of 765904214490 is 94412409567.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12765070212 + ... + 12765070271.

It is an arithmetic number, because the mean of its divisors is an integer number (114885632178).

Almost surely, 2^765904214490 is an apocalyptic number.

765904214490 is an abundant number, since it is smaller than the sum of its proper divisors (1072265900358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

765904214490 is a wasteful number, since it uses less digits than its factorization.

765904214490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25530140493.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 765904214490 in words is "seven hundred sixty-five billion, nine hundred four million, two hundred fourteen thousand, four hundred ninety".