2647646372 has 12 divisors (see below), whose sum is σ = 5295292800. Its totient is φ = 1134705576.

The previous prime is 2647646363. The next prime is 2647646377. The reversal of 2647646372 is 2736467462.

2647646372 is an admirable number.

It is a super-2 number, since 2×2647646372² = 14020062622329524768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2647646377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47279372 + ... + 47279427.

It is an arithmetic number, because the mean of its divisors is an integer number (441274400).

Almost surely, 2^2647646372 is an apocalyptic number.

It is an amenable number.

2647646372 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.

2647646372 is a wasteful number, since it uses less digits than its factorization.

2647646372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94558810 (or 94558808 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 47.

The square root of 2647646372 is about 51455.2851707189. The cubic root of 2647646372 is about 1383.4176948536.

The spelling of 2647646372 in words is "two billion, six hundred forty-seven million, six hundred forty-six thousand, three hundred seventy-two".