15872843049 has 16 divisors (see below), whose sum is σ = 24195189120. Its totient is φ = 9067196160.

The previous prime is 15872843011. The next prime is 15872843177. The reversal of 15872843049 is 94034827851.

It is a happy number.

It is not a de Polignac number, because 15872843049 - 2⁸ = 15872842793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15872842992 and 15872843010.

It is not an unprimeable number, because it can be changed into a prime (15872843249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59184 + ... + 187745.

It is an arithmetic number, because the mean of its divisors is an integer number (1512199320).

Almost surely, 2^15872843049 is an apocalyptic number.

It is an amenable number.

15872843049 is a deficient number, since it is larger than the sum of its proper divisors (8322346071).

15872843049 is a wasteful number, since it uses less digits than its factorization.

15872843049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250000.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 15872843049 in words is "fifteen billion, eight hundred seventy-two million, eight hundred forty-three thousand, forty-nine".