9137807863 has 2 divisors, whose sum is σ = 9137807864. Its totient is φ = 9137807862.

The previous prime is 9137807851. The next prime is 9137807879. The reversal of 9137807863 is 3687087319.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9137807863 - 2²¹ = 9135710711 is a prime.

It is a super-2 number, since 2×9137807863² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9137807863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9137807803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4568903931 + 4568903932.

It is an arithmetic number, because the mean of its divisors is an integer number (4568903932).

Almost surely, 2^9137807863 is an apocalyptic number.

9137807863 is a deficient number, since it is larger than the sum of its proper divisors (1).

9137807863 is an equidigital number, since it uses as much as digits as its factorization.

9137807863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 9137807863 is about 95591.8817839674. The cubic root of 9137807863 is about 2090.6468288607.

The spelling of 9137807863 in words is "nine billion, one hundred thirty-seven million, eight hundred seven thousand, eight hundred sixty-three".