14661496403977 has 2 divisors, whose sum is σ = 14661496403978. Its totient is φ = 14661496403976.

The previous prime is 14661496403893. The next prime is 14661496404007. The reversal of 14661496403977 is 77930469416641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12927505194256 + 1733991209721 = 3595484^2 + 1316811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14661496403977 is a prime.

It is not a weakly prime, because it can be changed into another prime (14661496403077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7330748201988 + 7330748201989.

It is an arithmetic number, because the mean of its divisors is an integer number (7330748201989).

Almost surely, 2^{14661496403977} is an apocalyptic number.

It is an amenable number.

14661496403977 is a deficient number, since it is larger than the sum of its proper divisors (1).

14661496403977 is an equidigital number, since it uses as much as digits as its factorization.

14661496403977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164602368, while the sum is 67.

The spelling of 14661496403977 in words is "fourteen trillion, six hundred sixty-one billion, four hundred ninety-six million, four hundred three thousand, nine hundred seventy-seven".