5131645163 has 2 divisors, whose sum is σ = 5131645164. Its totient is φ = 5131645162.

The previous prime is 5131645159. The next prime is 5131645193. The reversal of 5131645163 is 3615461315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5131645163 - 2² = 5131645159 is a prime.

It is not a weakly prime, because it can be changed into another prime (5131645193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565822581 + 2565822582.

It is an arithmetic number, because the mean of its divisors is an integer number (2565822582).

Almost surely, 2^5131645163 is an apocalyptic number.

5131645163 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131645163 is an equidigital number, since it uses as much as digits as its factorization.

5131645163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 5131645163 is about 71635.5021131282. The cubic root of 5131645163 is about 1724.8534679703.

The spelling of 5131645163 in words is "five billion, one hundred thirty-one million, six hundred forty-five thousand, one hundred sixty-three".