15613070813 has 2 divisors, whose sum is σ = 15613070814. Its totient is φ = 15613070812.

The previous prime is 15613070807. The next prime is 15613070833. The reversal of 15613070813 is 31807031651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15119653444 + 493417369 = 122962^2 + 22213^2 .

It is an emirp because it is prime and its reverse (31807031651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15613070813 - 2⁴ = 15613070797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15613070833) 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, 7806535406 + 7806535407.

It is an arithmetic number, because the mean of its divisors is an integer number (7806535407).

Almost surely, 2^15613070813 is an apocalyptic number.

It is an amenable number.

15613070813 is a deficient number, since it is larger than the sum of its proper divisors (1).

15613070813 is an equidigital number, since it uses as much as digits as its factorization.

15613070813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 15613070813 in words is "fifteen billion, six hundred thirteen million, seventy thousand, eight hundred thirteen".