13936855064 has 32 divisors (see below), whose sum is σ = 28789471440. Its totient is φ = 6272208000.

The previous prime is 13936855033. The next prime is 13936855109. The reversal of 13936855064 is 46055863931.

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 7 ways as a sum of consecutive naturals, for example, 775139 + ... + 792914.

Almost surely, 2^13936855064 is an apocalyptic number.

It is an amenable number.

13936855064 is an abundant number, since it is smaller than the sum of its proper divisors (14852616376).

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

13936855064 is a wasteful number, since it uses less digits than its factorization.

13936855064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568171 (or 1568167 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 13936855064 in words is "thirteen billion, nine hundred thirty-six million, eight hundred fifty-five thousand, sixty-four".