13966477605 has 24 divisors (see below), whose sum is σ = 24278353632. Its totient is φ = 7427313504.

The previous prime is 13966477597. The next prime is 13966477621. The reversal of 13966477605 is 50677466931.

It is a happy number.

It is not a de Polignac number, because 13966477605 - 2³ = 13966477597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431599 + ... + 462828.

It is an arithmetic number, because the mean of its divisors is an integer number (1011598068).

Almost surely, 2^13966477605 is an apocalyptic number.

13966477605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13966477605 is a deficient number, since it is larger than the sum of its proper divisors (10311876027).

13966477605 is a wasteful number, since it uses less digits than its factorization.

13966477605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894785 (or 894782 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 13966477605 in words is "thirteen billion, nine hundred sixty-six million, four hundred seventy-seven thousand, six hundred five".