2126524664464 has 20 divisors (see below), whose sum is σ = 4126374752380. Its totient is φ = 1061653760640.

The previous prime is 2126524664443. The next prime is 2126524664479. The reversal of 2126524664464 is 4644664256212.

It can be written as a sum of positive squares in 2 ways, for example, as 593682578064 + 1532842086400 = 770508^2 + 1238080^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100524819 + ... + 100545970.

It is an arithmetic number, because the mean of its divisors is an integer number (206318737619).

Almost surely, 2^{2126524664464} is an apocalyptic number.

It is an amenable number.

2126524664464 is a deficient number, since it is larger than the sum of its proper divisors (1999850087916).

2126524664464 is a wasteful number, since it uses less digits than its factorization.

2126524664464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201071458 (or 201071452 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 52.

The spelling of 2126524664464 in words is "two trillion, one hundred twenty-six billion, five hundred twenty-four million, six hundred sixty-four thousand, four hundred sixty-four".