15928885243 has 2 divisors, whose sum is σ = 15928885244. Its totient is φ = 15928885242.

The previous prime is 15928885237. The next prime is 15928885289. The reversal of 15928885243 is 34258882951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15928885243 - 2²⁹ = 15392014331 is a prime.

It is not a weakly prime, because it can be changed into another prime (15928885223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7964442621 + 7964442622.

It is an arithmetic number, because the mean of its divisors is an integer number (7964442622).

Almost surely, 2^15928885243 is an apocalyptic number.

15928885243 is a deficient number, since it is larger than the sum of its proper divisors (1).

15928885243 is an equidigital number, since it uses as much as digits as its factorization.

15928885243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5529600, while the sum is 55.

The spelling of 15928885243 in words is "fifteen billion, nine hundred twenty-eight million, eight hundred eighty-five thousand, two hundred forty-three".