2646349575772 has 12 divisors (see below), whose sum is σ = 5292699151600. Its totient is φ = 1134149818176.

The previous prime is 2646349575743. The next prime is 2646349575787. The reversal of 2646349575772 is 2775759436462.

2646349575772 is an admirable number.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2646349575698 and 2646349575707.

It is a congruent number.

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, 47256242397 + ... + 47256242452.

Almost surely, 2^{2646349575772} is an apocalyptic number.

It is an amenable number.

2646349575772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2646349575772 is a wasteful number, since it uses less digits than its factorization.

2646349575772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94512484860 (or 94512484858 counting only the distinct ones).

The product of its digits is 533433600, while the sum is 67.

The spelling of 2646349575772 in words is "two trillion, six hundred forty-six billion, three hundred forty-nine million, five hundred seventy-five thousand, seven hundred seventy-two".