13117015673 has 2 divisors, whose sum is σ = 13117015674. Its totient is φ = 13117015672.

The previous prime is 13117015657. The next prime is 13117015679. The reversal of 13117015673 is 37651071131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11896701184 + 1220314489 = 109072^2 + 34933^2 .

It is a cyclic number.

It is not a de Polignac number, because 13117015673 - 2⁴ = 13117015657 is a prime.

It is a super-2 number, since 2×13117015673² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13117015679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6558507836 + 6558507837.

It is an arithmetic number, because the mean of its divisors is an integer number (6558507837).

Almost surely, 2^13117015673 is an apocalyptic number.

It is an amenable number.

13117015673 is a deficient number, since it is larger than the sum of its proper divisors (1).

13117015673 is an equidigital number, since it uses as much as digits as its factorization.

13117015673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 35.

The spelling of 13117015673 in words is "thirteen billion, one hundred seventeen million, fifteen thousand, six hundred seventy-three".