13975172063 has 2 divisors, whose sum is σ = 13975172064. Its totient is φ = 13975172062.

The previous prime is 13975172053. The next prime is 13975172111. The reversal of 13975172063 is 36027157931.

It is a weak prime.

It is an emirp because it is prime and its reverse (36027157931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13975172063 - 2¹⁸ = 13974909919 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13975172053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6987586031 + 6987586032.

It is an arithmetic number, because the mean of its divisors is an integer number (6987586032).

Almost surely, 2^13975172063 is an apocalyptic number.

13975172063 is a deficient number, since it is larger than the sum of its proper divisors (1).

13975172063 is an equidigital number, since it uses as much as digits as its factorization.

13975172063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The spelling of 13975172063 in words is "thirteen billion, nine hundred seventy-five million, one hundred seventy-two thousand, sixty-three".