2126874636 has 36 divisors (see below), whose sum is σ = 5377691592. Its totient is φ = 708770304.

The previous prime is 2126874601. The next prime is 2126874647. The reversal of 2126874636 is 6364786212.

2126874636 is a `hidden beast` number, since 2 + 1 + 2 + 6 + 8 + 7 + 4 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 2126874591 and 2126874600.

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, 223471 + ... + 232793.

It is an arithmetic number, because the mean of its divisors is an integer number (149380322).

Almost surely, 2^2126874636 is an apocalyptic number.

It is an amenable number.

2126874636 is an abundant number, since it is smaller than the sum of its proper divisors (3250816956).

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

2126874636 is a wasteful number, since it uses less digits than its factorization.

2126874636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15670 (or 15665 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 2126874636 is about 46118.0510863154. The cubic root of 2126874636 is about 1286.0187404503.

The spelling of 2126874636 in words is "two billion, one hundred twenty-six million, eight hundred seventy-four thousand, six hundred thirty-six".