2642861955290 has 32 divisors (see below), whose sum is σ = 4878482999040. Its totient is φ = 1030238352000.

The previous prime is 2642861955289. The next prime is 2642861955319. The reversal of 2642861955290 is 925591682462.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3130286 + ... + 3883865.

It is an arithmetic number, because the mean of its divisors is an integer number (152452593720).

Almost surely, 2^{2642861955290} is an apocalyptic number.

2642861955290 is a deficient number, since it is larger than the sum of its proper divisors (2235621043750).

2642861955290 is a wasteful number, since it uses less digits than its factorization.

2642861955290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015118.

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 2642861955290 in words is "two trillion, six hundred forty-two billion, eight hundred sixty-one million, nine hundred fifty-five thousand, two hundred ninety".