764517691492 has 12 divisors (see below), whose sum is σ = 1354025309616. Its totient is φ = 377653317320.

The previous prime is 764517691463. The next prime is 764517691519. The reversal of 764517691492 is 294196715467.

It is a self number, because there is not a number n which added to its sum of digits gives 764517691492.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151381734 + ... + 1151382397.

It is an arithmetic number, because the mean of its divisors is an integer number (112835442468).

Almost surely, 2^764517691492 is an apocalyptic number.

It is an amenable number.

764517691492 is a deficient number, since it is larger than the sum of its proper divisors (589507618124).

764517691492 is a wasteful number, since it uses less digits than its factorization.

764517691492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302764218 (or 2302764216 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 61.

The spelling of 764517691492 in words is "seven hundred sixty-four billion, five hundred seventeen million, six hundred ninety-one thousand, four hundred ninety-two".