15902425441 has 4 divisors (see below), whose sum is σ = 18174200512. Its totient is φ = 13630650372.

The previous prime is 15902425417. The next prime is 15902425531. The reversal of 15902425441 is 14452420951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15902425441 - 2¹⁵ = 15902392673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15902425441.

It is not an unprimeable number, because it can be changed into a prime (15902425541) 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, 1135887525 + ... + 1135887538.

It is an arithmetic number, because the mean of its divisors is an integer number (4543550128).

Almost surely, 2^15902425441 is an apocalyptic number.

It is an amenable number.

15902425441 is a deficient number, since it is larger than the sum of its proper divisors (2271775071).

15902425441 is an equidigital number, since it uses as much as digits as its factorization.

15902425441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271775070.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 15902425441 in words is "fifteen billion, nine hundred two million, four hundred twenty-five thousand, four hundred forty-one".