13685751954 has 32 divisors (see below), whose sum is σ = 34757466240. Its totient is φ = 3910214736.

The previous prime is 13685751953. The next prime is 13685751967. The reversal of 13685751954 is 45915758631.

13685751954 is a `hidden beast` number, since 1 + 3 + 6 + 8 + 575 + 19 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 13685751954.

It is not an unprimeable number, because it can be changed into a prime (13685751953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18102469 + ... + 18103224.

It is an arithmetic number, because the mean of its divisors is an integer number (1086170820).

Almost surely, 2^13685751954 is an apocalyptic number.

13685751954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13685751954 is an abundant number, since it is smaller than the sum of its proper divisors (21071714286).

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

13685751954 is a wasteful number, since it uses less digits than its factorization.

13685751954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36205711 (or 36205705 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The spelling of 13685751954 in words is "thirteen billion, six hundred eighty-five million, seven hundred fifty-one thousand, nine hundred fifty-four".