13850913544 has 16 divisors (see below), whose sum is σ = 27968191020. Its totient is φ = 6392729280.

The previous prime is 13850913541. The next prime is 13850913563. The reversal of 13850913544 is 44531905831.

It can be written as a sum of positive squares in 2 ways, for example, as 11056522500 + 2794391044 = 105150^2 + 52862^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13850913544.

It is not an unprimeable number, because it can be changed into a prime (13850913541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66590827 + ... + 66591034.

Almost surely, 2^13850913544 is an apocalyptic number.

It is an amenable number.

13850913544 is an abundant number, since it is smaller than the sum of its proper divisors (14117277476).

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

13850913544 is a wasteful number, since it uses less digits than its factorization.

13850913544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133181880 (or 133181876 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 13850913544 in words is "thirteen billion, eight hundred fifty million, nine hundred thirteen thousand, five hundred forty-four".