13918500045 has 12 divisors (see below), whose sum is σ = 24125400156. Its totient is φ = 7423200000.

The previous prime is 13918500041. The next prime is 13918500097. The reversal of 13918500045 is 54000581931.

13918500045 is a `hidden beast` number, since 139 + 18 + 500 + 0 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5350776201 + 8567723844 = 73149^2 + 92562^2 .

It is not a de Polignac number, because 13918500045 - 2² = 13918500041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13918499982 and 13918500009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13918500041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154649956 + ... + 154650045.

It is an arithmetic number, because the mean of its divisors is an integer number (2010450013).

Almost surely, 2^13918500045 is an apocalyptic number.

13918500045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13918500045 is a deficient number, since it is larger than the sum of its proper divisors (10206900111).

13918500045 is a wasteful number, since it uses less digits than its factorization.

13918500045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309300012 (or 309300009 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 13918500045 in words is "thirteen billion, nine hundred eighteen million, five hundred thousand, forty-five".