2791857364126 has 16 divisors (see below), whose sum is σ = 4246975082880. Its totient is φ = 1376200911960.

The previous prime is 2791857364069. The next prime is 2791857364159. The reversal of 2791857364126 is 6214637581972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2524885 + ... + 3458143.

It is an arithmetic number, because the mean of its divisors is an integer number (265435942680).

Almost surely, 2^{2791857364126} is an apocalyptic number.

2791857364126 is a deficient number, since it is larger than the sum of its proper divisors (1455117718754).

2791857364126 is a wasteful number, since it uses less digits than its factorization.

2791857364126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954399.

The product of its digits is 30481920, while the sum is 61.

The spelling of 2791857364126 in words is "two trillion, seven hundred ninety-one billion, eight hundred fifty-seven million, three hundred sixty-four thousand, one hundred twenty-six".