2163041613 has 6 divisors (see below), whose sum is σ = 3124393454. Its totient is φ = 1442027736.

The previous prime is 2163041609. The next prime is 2163041627. The reversal of 2163041613 is 3161403612.

2163041613 is a `hidden beast` number, since 2 + 1 + 6 + 3 + 0 + 41 + 613 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1503733284 + 659308329 = 38778^2 + 25677^2 .

It is not a de Polignac number, because 2163041613 - 2² = 2163041609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163049613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120168970 + ... + 120168987.

Almost surely, 2^2163041613 is an apocalyptic number.

It is an amenable number.

2163041613 is a deficient number, since it is larger than the sum of its proper divisors (961351841).

2163041613 is a wasteful number, since it uses less digits than its factorization.

2163041613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240337963 (or 240337960 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2163041613 is about 46508.5111888136. The cubic root of 2163041613 is about 1293.2672846772.

The spelling of 2163041613 in words is "two billion, one hundred sixty-three million, forty-one thousand, six hundred thirteen".