15942154313 has 4 divisors (see below), whose sum is σ = 16034305668. Its totient is φ = 15850002960.

The previous prime is 15942154273. The next prime is 15942154337. The reversal of 15942154313 is 31345124951.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5982713104 + 9959441209 = 77348^2 + 99797^2 .

It is a cyclic number.

It is not a de Polignac number, because 15942154313 - 2¹⁰ = 15942153289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15942154343) 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 in 3 ways as a sum of consecutive naturals, for example, 46075418 + ... + 46075763.

It is an arithmetic number, because the mean of its divisors is an integer number (4008576417).

Almost surely, 2^15942154313 is an apocalyptic number.

It is an amenable number.

15942154313 is a deficient number, since it is larger than the sum of its proper divisors (92151355).

15942154313 is an equidigital number, since it uses as much as digits as its factorization.

15942154313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92151354.

The product of its digits is 64800, while the sum is 38.

The spelling of 15942154313 in words is "fifteen billion, nine hundred forty-two million, one hundred fifty-four thousand, three hundred thirteen".