6402765612 has 18 divisors (see below), whose sum is σ = 14940433228. Its totient is φ = 2134162808.

The previous prime is 6402765601. The next prime is 6402765623. The reversal of 6402765612 is 2165672046.

It is an interprime number because it is at equal distance from previous prime (6402765601) and next prime (6402765623).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265639 + ... + 288737.

Almost surely, 2^6402765612 is an apocalyptic number.

It is an amenable number.

6402765612 is an abundant number, since it is smaller than the sum of its proper divisors (8537667616).

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

6402765612 is an frugal number, since it uses more digits than its factorization.

6402765612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46205 (or 23104 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 6402765612 is about 80017.2832080670. The cubic root of 6402765612 is about 1856.9029289696.

The spelling of 6402765612 in words is "six billion, four hundred two million, seven hundred sixty-five thousand, six hundred twelve".