13656729460 has 48 divisors (see below), whose sum is σ = 32295578112. Its totient is φ = 4805884800.

The previous prime is 13656729451. The next prime is 13656729487. The reversal of 13656729460 is 6492765631.

It is a happy number.

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, 994407 + ... + 1008046.

It is an arithmetic number, because the mean of its divisors is an integer number (672824544).

Almost surely, 2^13656729460 is an apocalyptic number.

13656729460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13656729460 is an abundant number, since it is smaller than the sum of its proper divisors (18638848652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13656729460 is a wasteful number, since it uses less digits than its factorization.

13656729460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002504 (or 2002502 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 13656729460 in words is "thirteen billion, six hundred fifty-six million, seven hundred twenty-nine thousand, four hundred sixty".