15849034563 has 4 divisors (see below), whose sum is σ = 21132046088. Its totient is φ = 10566023040.

The previous prime is 15849034541. The next prime is 15849034613. The reversal of 15849034563 is 36543094851.

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

It is not a de Polignac number, because 15849034563 - 2¹² = 15849030467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15849034763) 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, 2641505758 + ... + 2641505763.

It is an arithmetic number, because the mean of its divisors is an integer number (5283011522).

Almost surely, 2^15849034563 is an apocalyptic number.

15849034563 is a deficient number, since it is larger than the sum of its proper divisors (5283011525).

15849034563 is an equidigital number, since it uses as much as digits as its factorization.

15849034563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283011524.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 15849034563 in words is "fifteen billion, eight hundred forty-nine million, thirty-four thousand, five hundred sixty-three".