2956894138 has 16 divisors (see below), whose sum is σ = 4858807680. Its totient is φ = 1338416800.

The previous prime is 2956894069. The next prime is 2956894163. The reversal of 2956894138 is 8314986592.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275923 + ... + 286438.

It is an arithmetic number, because the mean of its divisors is an integer number (303675480).

Almost surely, 2^2956894138 is an apocalyptic number.

2956894138 is a deficient number, since it is larger than the sum of its proper divisors (1901913542).

2956894138 is a wasteful number, since it uses less digits than its factorization.

2956894138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562613.

The product of its digits is 3732480, while the sum is 55.

The square root of 2956894138 is about 54377.3311040547. The cubic root of 2956894138 is about 1435.3085065557.

The spelling of 2956894138 in words is "two billion, nine hundred fifty-six million, eight hundred ninety-four thousand, one hundred thirty-eight".