2136863670 has 32 divisors (see below), whose sum is σ = 5132574720. Its totient is φ = 569374560.

The previous prime is 2136863609. The next prime is 2136863693. The reversal of 2136863670 is 763686312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10525 + ... + 66215.

It is an arithmetic number, because the mean of its divisors is an integer number (160392960).

Almost surely, 2^2136863670 is an apocalyptic number.

2136863670 is an abundant number, since it is smaller than the sum of its proper divisors (2995711050).

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

2136863670 is a wasteful number, since it uses less digits than its factorization.

2136863670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56980.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 2136863670 is about 46226.2227528921. Note that the first 3 decimals coincide. The cubic root of 2136863670 is about 1288.0288928327.

The spelling of 2136863670 in words is "two billion, one hundred thirty-six million, eight hundred sixty-three thousand, six hundred seventy".