2126571370 has 48 divisors (see below), whose sum is σ = 4808530944. Its totient is φ = 662824800.

The previous prime is 2126571367. The next prime is 2126571383. The reversal of 2126571370 is 731756212.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117066 + ... + 134005.

It is an arithmetic number, because the mean of its divisors is an integer number (100177728).

Almost surely, 2^2126571370 is an apocalyptic number.

2126571370 is an abundant number, since it is smaller than the sum of its proper divisors (2681959574).

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

2126571370 is a wasteful number, since it uses less digits than its factorization.

2126571370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251107 (or 251096 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 2126571370 is about 46114.7630374482. The cubic root of 2126571370 is about 1285.9576140929.

The spelling of 2126571370 in words is "two billion, one hundred twenty-six million, five hundred seventy-one thousand, three hundred seventy".