18616310963 has 2 divisors, whose sum is σ = 18616310964. Its totient is φ = 18616310962.

The previous prime is 18616310893. The next prime is 18616310969. The reversal of 18616310963 is 36901361681.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18616310963 - 2¹⁴ = 18616294579 is a prime.

It is a super-2 number, since 2×18616310963² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18616310969) 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, 9308155481 + 9308155482.

It is an arithmetic number, because the mean of its divisors is an integer number (9308155482).

Almost surely, 2^18616310963 is an apocalyptic number.

18616310963 is a deficient number, since it is larger than the sum of its proper divisors (1).

18616310963 is an equidigital number, since it uses as much as digits as its factorization.

18616310963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 18616310963 in words is "eighteen billion, six hundred sixteen million, three hundred ten thousand, nine hundred sixty-three".