16813689495 has 32 divisors (see below), whose sum is σ = 27236217600. Its totient is φ = 8856376320.

The previous prime is 16813689493. The next prime is 16813689499. The reversal of 16813689495 is 59498631861.

It is not a de Polignac number, because 16813689495 - 2¹ = 16813689493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16813689491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515431 + ... + 547079.

It is an arithmetic number, because the mean of its divisors is an integer number (851131800).

Almost surely, 2^16813689495 is an apocalyptic number.

16813689495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16813689495 is a deficient number, since it is larger than the sum of its proper divisors (10422528105).

16813689495 is a wasteful number, since it uses less digits than its factorization.

16813689495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32095.

The product of its digits is 11197440, while the sum is 60.

The spelling of 16813689495 in words is "sixteen billion, eight hundred thirteen million, six hundred eighty-nine thousand, four hundred ninety-five".