13474890405 has 64 divisors (see below), whose sum is σ = 24153093120. Its totient is φ = 7127543808.

The previous prime is 13474890379. The next prime is 13474890413. The reversal of 13474890405 is 50409847431.

It is a de Polignac number, because none of the positive numbers 2^k-13474890405 is a prime.

It is a super-2 number, since 2×13474890405² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12062907 + ... + 12064023.

It is an arithmetic number, because the mean of its divisors is an integer number (377392080).

Almost surely, 2^13474890405 is an apocalyptic number.

13474890405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13474890405 is a deficient number, since it is larger than the sum of its proper divisors (10678202715).

13474890405 is a wasteful number, since it uses less digits than its factorization.

13474890405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1781 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 13474890405 in words is "thirteen billion, four hundred seventy-four million, eight hundred ninety thousand, four hundred five".