18743350137 has 8 divisors (see below), whose sum is σ = 25343121600. Its totient is φ = 12319572720.

The previous prime is 18743350097. The next prime is 18743350181. The reversal of 18743350137 is 73105334781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18743350137 - 2⁷ = 18743350009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18743350037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43998262 + ... + 43998687.

It is an arithmetic number, because the mean of its divisors is an integer number (3167890200).

Almost surely, 2^18743350137 is an apocalyptic number.

It is an amenable number.

18743350137 is a deficient number, since it is larger than the sum of its proper divisors (6599771463).

18743350137 is an equidigital number, since it uses as much as digits as its factorization.

18743350137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87997023.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 18743350137 in words is "eighteen billion, seven hundred forty-three million, three hundred fifty thousand, one hundred thirty-seven".