13474373993 has 2 divisors, whose sum is σ = 13474373994. Its totient is φ = 13474373992.

The previous prime is 13474373989. The next prime is 13474374013. The reversal of 13474373993 is 39937347431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10122774544 + 3351599449 = 100612^2 + 57893^2 .

It is a cyclic number.

It is not a de Polignac number, because 13474373993 - 2² = 13474373989 is a prime.

It is not a weakly prime, because it can be changed into another prime (13474373903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737186996 + 6737186997.

It is an arithmetic number, because the mean of its divisors is an integer number (6737186997).

Almost surely, 2^13474373993 is an apocalyptic number.

It is an amenable number.

13474373993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13474373993 is an equidigital number, since it uses as much as digits as its factorization.

13474373993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5143824, while the sum is 53.

The spelling of 13474373993 in words is "thirteen billion, four hundred seventy-four million, three hundred seventy-three thousand, nine hundred ninety-three".