2126621937 has 32 divisors (see below), whose sum is σ = 3130047360. Its totient is φ = 1273605120.

The previous prime is 2126621927. The next prime is 2126621941. The reversal of 2126621937 is 7391266212.

It is not a de Polignac number, because 2126621937 - 2¹⁸ = 2126359793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2126621895 and 2126621904.

It is not an unprimeable number, because it can be changed into a prime (2126621927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2132523 + ... + 2133519.

It is an arithmetic number, because the mean of its divisors is an integer number (97813980).

Almost surely, 2^2126621937 is an apocalyptic number.

It is an amenable number.

2126621937 is a deficient number, since it is larger than the sum of its proper divisors (1003425423).

2126621937 is a wasteful number, since it uses less digits than its factorization.

2126621937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713.

The product of its digits is 54432, while the sum is 39.

The square root of 2126621937 is about 46115.3113076340. The cubic root of 2126621937 is about 1285.9678067915.

The spelling of 2126621937 in words is "two billion, one hundred twenty-six million, six hundred twenty-one thousand, nine hundred thirty-seven".