15992917043 has 2 divisors, whose sum is σ = 15992917044. Its totient is φ = 15992917042.

The previous prime is 15992917021. The next prime is 15992917079. The reversal of 15992917043 is 34071929951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15992917043 - 2²⁶ = 15925808179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15992916982 and 15992917000.

It is not a weakly prime, because it can be changed into another prime (15992997043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7996458521 + 7996458522.

It is an arithmetic number, because the mean of its divisors is an integer number (7996458522).

Almost surely, 2^15992917043 is an apocalyptic number.

15992917043 is a deficient number, since it is larger than the sum of its proper divisors (1).

15992917043 is an equidigital number, since it uses as much as digits as its factorization.

15992917043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 15992917043 in words is "fifteen billion, nine hundred ninety-two million, nine hundred seventeen thousand, forty-three".