15650049844813 has 2 divisors, whose sum is σ = 15650049844814. Its totient is φ = 15650049844812.

The previous prime is 15650049844799. The next prime is 15650049844837. The reversal of 15650049844813 is 31844894005651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15218877695044 + 431172149769 = 3901138^2 + 656637^2 .

It is a cyclic number.

It is not a de Polignac number, because 15650049844813 - 2⁹ = 15650049844301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15650049844873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7825024922406 + 7825024922407.

It is an arithmetic number, because the mean of its divisors is an integer number (7825024922407).

Almost surely, 2^{15650049844813} is an apocalyptic number.

It is an amenable number.

15650049844813 is a deficient number, since it is larger than the sum of its proper divisors (1).

15650049844813 is an equidigital number, since it uses as much as digits as its factorization.

15650049844813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 15650049844813 in words is "fifteen trillion, six hundred fifty billion, forty-nine million, eight hundred forty-four thousand, eight hundred thirteen".