2130870813 has 16 divisors (see below), whose sum is σ = 2852703360. Its totient is φ = 1414821824.

The previous prime is 2130870799. The next prime is 2130870887. The reversal of 2130870813 is 3180780312.

It is a cyclic number.

It is not a de Polignac number, because 2130870813 - 2⁸ = 2130870557 is a prime.

It is a super-2 number, since 2×2130870813² = 9081220843390561938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130870893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426495 + ... + 1427987.

It is an arithmetic number, because the mean of its divisors is an integer number (178293960).

Almost surely, 2^2130870813 is an apocalyptic number.

It is an amenable number.

2130870813 is a deficient number, since it is larger than the sum of its proper divisors (721832547).

2130870813 is a wasteful number, since it uses less digits than its factorization.

2130870813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 2130870813 is about 46161.3562734025. The cubic root of 2130870813 is about 1286.8236685095.

The spelling of 2130870813 in words is "two billion, one hundred thirty million, eight hundred seventy thousand, eight hundred thirteen".