13314519997 has 2 divisors, whose sum is σ = 13314519998. Its totient is φ = 13314519996.

The previous prime is 13314519989. The next prime is 13314520001. The reversal of 13314519997 is 79991541331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10302047001 + 3012472996 = 101499^2 + 54886^2 .

It is a cyclic number.

It is not a de Polignac number, because 13314519997 - 2³ = 13314519989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13314519397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6657259998 + 6657259999.

It is an arithmetic number, because the mean of its divisors is an integer number (6657259999).

Almost surely, 2^13314519997 is an apocalyptic number.

It is an amenable number.

13314519997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13314519997 is an equidigital number, since it uses as much as digits as its factorization.

13314519997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 52.

The spelling of 13314519997 in words is "thirteen billion, three hundred fourteen million, five hundred nineteen thousand, nine hundred ninety-seven".