13814615805 has 16 divisors (see below), whose sum is σ = 22617418560. Its totient is φ = 7196450688.

The previous prime is 13814615797. The next prime is 13814615861. The reversal of 13814615805 is 50851641831.

It is not a de Polignac number, because 13814615805 - 2³ = 13814615797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10708360 + ... + 10709649.

It is an arithmetic number, because the mean of its divisors is an integer number (1413588660).

Almost surely, 2^13814615805 is an apocalyptic number.

13814615805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13814615805 is a deficient number, since it is larger than the sum of its proper divisors (8802802755).

13814615805 is a wasteful number, since it uses less digits than its factorization.

13814615805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21418060.

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 13814615805 in words is "thirteen billion, eight hundred fourteen million, six hundred fifteen thousand, eight hundred five".