2643938610 has 32 divisors (see below), whose sum is σ = 6408286272. Its totient is φ = 698068800.

The previous prime is 2643938593. The next prime is 2643938623. The reversal of 2643938610 is 168393462.

It is a super-2 number, since 2×2643938610² = 13980822746897464200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 433264 + ... + 439323.

It is an arithmetic number, because the mean of its divisors is an integer number (200258946).

Almost surely, 2^2643938610 is an apocalyptic number.

2643938610 is an abundant number, since it is smaller than the sum of its proper divisors (3764347662).

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

2643938610 is a wasteful number, since it uses less digits than its factorization.

2643938610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872698.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 2643938610 is about 51419.2435767000. The cubic root of 2643938610 is about 1382.7716141341.

The spelling of 2643938610 in words is "two billion, six hundred forty-three million, nine hundred thirty-eight thousand, six hundred ten".