18700943041 has 16 divisors (see below), whose sum is σ = 22184910720. Its totient is φ = 15568346880.

The previous prime is 18700943033. The next prime is 18700943071. The reversal of 18700943041 is 14034900781.

It is a cyclic number.

It is not a de Polignac number, because 18700943041 - 2³ = 18700943033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18700943011) 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, 1344501 + ... + 1358338.

It is an arithmetic number, because the mean of its divisors is an integer number (1386556920).

Almost surely, 2^18700943041 is an apocalyptic number.

18700943041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18700943041 is a deficient number, since it is larger than the sum of its proper divisors (3483967679).

18700943041 is a wasteful number, since it uses less digits than its factorization.

18700943041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702904.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 18700943041 in words is "eighteen billion, seven hundred million, nine hundred forty-three thousand, forty-one".