461979842651 has 2 divisors, whose sum is σ = 461979842652. Its totient is φ = 461979842650.

The previous prime is 461979842617. The next prime is 461979842689. The reversal of 461979842651 is 156248979164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461979842651 - 2¹⁸ = 461979580507 is a prime.

It is not a weakly prime, because it can be changed into another prime (461979842251) 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, 230989921325 + 230989921326.

It is an arithmetic number, because the mean of its divisors is an integer number (230989921326).

Almost surely, 2^461979842651 is an apocalyptic number.

461979842651 is a deficient number, since it is larger than the sum of its proper divisors (1).

461979842651 is an equidigital number, since it uses as much as digits as its factorization.

461979842651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 62.

The spelling of 461979842651 in words is "four hundred sixty-one billion, nine hundred seventy-nine million, eight hundred forty-two thousand, six hundred fifty-one".