2165100563 has 2 divisors, whose sum is σ = 2165100564. Its totient is φ = 2165100562.

The previous prime is 2165100523. The next prime is 2165100577. The reversal of 2165100563 is 3650015612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2165100563 - 2¹⁴ = 2165084179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2165100523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082550281 + 1082550282.

It is an arithmetic number, because the mean of its divisors is an integer number (1082550282).

Almost surely, 2^2165100563 is an apocalyptic number.

2165100563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2165100563 is an equidigital number, since it uses as much as digits as its factorization.

2165100563 is an evil number, because the sum of its binary digits is even.

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

The square root of 2165100563 is about 46530.6411195891. The cubic root of 2165100563 is about 1293.6774984288.

The spelling of 2165100563 in words is "two billion, one hundred sixty-five million, one hundred thousand, five hundred sixty-three".