2163500651 has 12 divisors (see below), whose sum is σ = 2386937808. Its totient is φ = 1959388704.

The previous prime is 2163500627. The next prime is 2163500653. The reversal of 2163500651 is 1560053612.

It is not a de Polignac number, because 2163500651 - 2¹⁸ = 2163238507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2163500653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111815 + ... + 129728.

It is an arithmetic number, because the mean of its divisors is an integer number (198911484).

Almost surely, 2^2163500651 is an apocalyptic number.

2163500651 is a deficient number, since it is larger than the sum of its proper divisors (223437157).

2163500651 is a wasteful number, since it uses less digits than its factorization.

2163500651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241622 (or 241609 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2163500651 is about 46513.4459162079. The cubic root of 2163500651 is about 1293.3587633977.

The spelling of 2163500651 in words is "two billion, one hundred sixty-three million, five hundred thousand, six hundred fifty-one".