16249779913 has 8 divisors (see below), whose sum is σ = 16558546176. Its totient is φ = 15941094000.

The previous prime is 16249779907. The next prime is 16249780003. The reversal of 16249779913 is 31997794261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16249779913 - 2²⁹ = 15712909001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16243779913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529438 + ... + 559288.

It is an arithmetic number, because the mean of its divisors is an integer number (2069818272).

Almost surely, 2^16249779913 is an apocalyptic number.

It is an amenable number.

16249779913 is a deficient number, since it is larger than the sum of its proper divisors (308766263).

16249779913 is a wasteful number, since it uses less digits than its factorization.

16249779913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40175.

The product of its digits is 5143824, while the sum is 58.

The spelling of 16249779913 in words is "sixteen billion, two hundred forty-nine million, seven hundred seventy-nine thousand, nine hundred thirteen".