13899353958 has 48 divisors (see below), whose sum is σ = 34424002080. Its totient is φ = 3970487808.

The previous prime is 13899353947. The next prime is 13899353971. The reversal of 13899353958 is 85935399831.

13899353958 is a `hidden beast` number, since 1 + 3 + 8 + 9 + 93 + 539 + 5 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 13899353895 and 13899353904.

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, 1314838 + ... + 1325366.

It is an arithmetic number, because the mean of its divisors is an integer number (717166710).

Almost surely, 2^13899353958 is an apocalyptic number.

13899353958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13899353958 is an abundant number, since it is smaller than the sum of its proper divisors (20524648122).

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

13899353958 is a wasteful number, since it uses less digits than its factorization.

13899353958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21021 (or 21018 counting only the distinct ones).

The product of its digits is 31492800, while the sum is 63.

The spelling of 13899353958 in words is "thirteen billion, eight hundred ninety-nine million, three hundred fifty-three thousand, nine hundred fifty-eight".