13634512406 has 16 divisors (see below), whose sum is σ = 20847323808. Its totient is φ = 6686400000.

The previous prime is 13634512379. The next prime is 13634512427. The reversal of 13634512406 is 60421543631.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221345 + ... + 276156.

It is an arithmetic number, because the mean of its divisors is an integer number (1302957738).

Almost surely, 2^13634512406 is an apocalyptic number.

13634512406 is a deficient number, since it is larger than the sum of its proper divisors (7212811402).

13634512406 is a wasteful number, since it uses less digits than its factorization.

13634512406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497767.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 13634512406 in words is "thirteen billion, six hundred thirty-four million, five hundred twelve thousand, four hundred six".