14645731979 has 2 divisors, whose sum is σ = 14645731980. Its totient is φ = 14645731978.

The previous prime is 14645731967. The next prime is 14645732041. The reversal of 14645731979 is 97913754641.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14645731979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (14645731279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7322865989 + 7322865990.

It is an arithmetic number, because the mean of its divisors is an integer number (7322865990).

Almost surely, 2^14645731979 is an apocalyptic number.

14645731979 is a deficient number, since it is larger than the sum of its proper divisors (1).

14645731979 is an equidigital number, since it uses as much as digits as its factorization.

14645731979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 56.

The spelling of 14645731979 in words is "fourteen billion, six hundred forty-five million, seven hundred thirty-one thousand, nine hundred seventy-nine".