2056895993538 has 24 divisors (see below), whose sum is σ = 4621667542128. Its totient is φ = 685631997684.

The previous prime is 2056895993519. The next prime is 2056895993543. The reversal of 2056895993538 is 8353995986502.

2056895993538 is a `hidden beast` number, since 2 + 0 + 5 + 6 + 89 + 5 + 9 + 9 + 3 + 538 = 666.

It is a super-2 number, since 2×2056895993538² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2116147656 + ... + 2116148627.

It is an arithmetic number, because the mean of its divisors is an integer number (192569480922).

Almost surely, 2^{2056895993538} is an apocalyptic number.

2056895993538 is an abundant number, since it is smaller than the sum of its proper divisors (2564771548590).

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

2056895993538 is an equidigital number, since it uses as much as digits as its factorization.

2056895993538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232296300 (or 4232296288 counting only the distinct ones).

The product of its (nonzero) digits is 629856000, while the sum is 72.

The spelling of 2056895993538 in words is "two trillion, fifty-six billion, eight hundred ninety-five million, nine hundred ninety-three thousand, five hundred thirty-eight".