2130636945 has 16 divisors (see below), whose sum is σ = 3609550080. Its totient is φ = 1069496064.

The previous prime is 2130636929. The next prime is 2130636967. The reversal of 2130636945 is 5496360312.

It is not a de Polignac number, because 2130636945 - 2⁴ = 2130636929 is a prime.

It is a super-2 number, since 2×2130636945² = 9079227582797866050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4177465 + ... + 4177974.

It is an arithmetic number, because the mean of its divisors is an integer number (225596880).

Almost surely, 2^2130636945 is an apocalyptic number.

It is an amenable number.

2130636945 is a deficient number, since it is larger than the sum of its proper divisors (1478913135).

2130636945 is a wasteful number, since it uses less digits than its factorization.

2130636945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355464.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 2130636945 is about 46158.8230460873. The cubic root of 2130636945 is about 1286.7765894958.

The spelling of 2130636945 in words is "two billion, one hundred thirty million, six hundred thirty-six thousand, nine hundred forty-five".