6131891153 has 2 divisors, whose sum is σ = 6131891154. Its totient is φ = 6131891152.

The previous prime is 6131891131. The next prime is 6131891159. The reversal of 6131891153 is 3511981316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5951042449 + 180848704 = 77143^2 + 13448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6131891153 is a prime.

It is a super-2 number, since 2×6131891153² = 75200178224479338818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6131891159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065945576 + 3065945577.

It is an arithmetic number, because the mean of its divisors is an integer number (3065945577).

Almost surely, 2^6131891153 is an apocalyptic number.

It is an amenable number.

6131891153 is a deficient number, since it is larger than the sum of its proper divisors (1).

6131891153 is an equidigital number, since it uses as much as digits as its factorization.

6131891153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 38.

The square root of 6131891153 is about 78306.3927977786. The cubic root of 6131891153 is about 1830.3387702330.

The spelling of 6131891153 in words is "six billion, one hundred thirty-one million, eight hundred ninety-one thousand, one hundred fifty-three".