15914942291 has 4 divisors (see below), whose sum is σ = 16285057272. Its totient is φ = 15544827312.

The previous prime is 15914942231. The next prime is 15914942327. The reversal of 15914942291 is 19224941951.

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

It is a cyclic number.

It is not a de Polignac number, because 15914942291 - 2²⁶ = 15847833427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15914942221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185057426 + ... + 185057511.

It is an arithmetic number, because the mean of its divisors is an integer number (4071264318).

Almost surely, 2^15914942291 is an apocalyptic number.

15914942291 is a deficient number, since it is larger than the sum of its proper divisors (370114981).

15914942291 is an equidigital number, since it uses as much as digits as its factorization.

15914942291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370114980.

The product of its digits is 233280, while the sum is 47.

The spelling of 15914942291 in words is "fifteen billion, nine hundred fourteen million, nine hundred forty-two thousand, two hundred ninety-one".