15050646613 has 2 divisors, whose sum is σ = 15050646614. Its totient is φ = 15050646612.

The previous prime is 15050646557. The next prime is 15050646617. The reversal of 15050646613 is 31664605051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13623091524 + 1427555089 = 116718^2 + 37783^2 .

It is a cyclic number.

It is not a de Polignac number, because 15050646613 - 2¹⁷ = 15050515541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15050646617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525323306 + 7525323307.

It is an arithmetic number, because the mean of its divisors is an integer number (7525323307).

Almost surely, 2^15050646613 is an apocalyptic number.

It is an amenable number.

15050646613 is a deficient number, since it is larger than the sum of its proper divisors (1).

15050646613 is an equidigital number, since it uses as much as digits as its factorization.

15050646613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 15050646613 in words is "fifteen billion, fifty million, six hundred forty-six thousand, six hundred thirteen".