13873842045 has 24 divisors (see below), whose sum is σ = 27483421056. Its totient is φ = 6342327648.

The previous prime is 13873841999. The next prime is 13873842053. The reversal of 13873842045 is 54024837831.

It is not a de Polignac number, because 13873842045 - 2⁶ = 13873841981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 22021657 + ... + 22022286.

It is an arithmetic number, because the mean of its divisors is an integer number (1145142544).

Almost surely, 2^13873842045 is an apocalyptic number.

13873842045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13873842045 is a deficient number, since it is larger than the sum of its proper divisors (13609579011).

13873842045 is a wasteful number, since it uses less digits than its factorization.

13873842045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44043961 (or 44043958 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 13873842045 in words is "thirteen billion, eight hundred seventy-three million, eight hundred forty-two thousand, forty-five".