14665139677 has 2 divisors, whose sum is σ = 14665139678. Its totient is φ = 14665139676.

The previous prime is 14665139633. The next prime is 14665139701. The reversal of 14665139677 is 77693156641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14578389081 + 86750596 = 120741^2 + 9314^2 .

It is a cyclic number.

It is not a de Polignac number, because 14665139677 - 2¹⁹ = 14664615389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14665139617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7332569838 + 7332569839.

It is an arithmetic number, because the mean of its divisors is an integer number (7332569839).

Almost surely, 2^14665139677 is an apocalyptic number.

It is an amenable number.

14665139677 is a deficient number, since it is larger than the sum of its proper divisors (1).

14665139677 is an equidigital number, since it uses as much as digits as its factorization.

14665139677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 55.

The spelling of 14665139677 in words is "fourteen billion, six hundred sixty-five million, one hundred thirty-nine thousand, six hundred seventy-seven".