13993895558 has 16 divisors (see below), whose sum is σ = 21193396224. Its totient is φ = 6929624520.

The previous prime is 13993895557. The next prime is 13993895609. The reversal of 13993895558 is 85559839931.

It is a super-3 number, since 3×13993895558³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 13993895494 and 13993895503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13993895557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96791 + ... + 193277.

It is an arithmetic number, because the mean of its divisors is an integer number (1324587264).

Almost surely, 2^13993895558 is an apocalyptic number.

13993895558 is a deficient number, since it is larger than the sum of its proper divisors (7199500666).

13993895558 is a wasteful number, since it uses less digits than its factorization.

13993895558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97187.

The product of its digits is 52488000, while the sum is 65.

The spelling of 13993895558 in words is "thirteen billion, nine hundred ninety-three million, eight hundred ninety-five thousand, five hundred fifty-eight".