13856845470 has 64 divisors (see below), whose sum is σ = 35827674624. Its totient is φ = 3409672320.

The previous prime is 13856845459. The next prime is 13856845493. The reversal of 13856845470 is 7454865831.

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 31 ways as a sum of consecutive naturals, for example, 1533265 + ... + 1542275.

It is an arithmetic number, because the mean of its divisors is an integer number (559807416).

Almost surely, 2^13856845470 is an apocalyptic number.

13856845470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13856845470 is an abundant number, since it is smaller than the sum of its proper divisors (21970829154).

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

13856845470 is a wasteful number, since it uses less digits than its factorization.

13856845470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 13856845470 in words is "thirteen billion, eight hundred fifty-six million, eight hundred forty-five thousand, four hundred seventy".