8459612618531 has 2 divisors, whose sum is σ = 8459612618532. Its totient is φ = 8459612618530.

The previous prime is 8459612618411. The next prime is 8459612618549. The reversal of 8459612618531 is 1358162169548.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8459612618531 - 2²² = 8459608424227 is a prime.

It is a super-2 number, since 2×8459612618531² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8459611618531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4229806309265 + 4229806309266.

It is an arithmetic number, because the mean of its divisors is an integer number (4229806309266).

Almost surely, 2^{8459612618531} is an apocalyptic number.

8459612618531 is a deficient number, since it is larger than the sum of its proper divisors (1).

8459612618531 is an equidigital number, since it uses as much as digits as its factorization.

8459612618531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12441600, while the sum is 59.

The spelling of 8459612618531 in words is "eight trillion, four hundred fifty-nine billion, six hundred twelve million, six hundred eighteen thousand, five hundred thirty-one".