18907145094 has 32 divisors (see below), whose sum is σ = 37914420960. Its totient is φ = 6285715200.

The previous prime is 18907145093. The next prime is 18907145143. The reversal of 18907145094 is 49054170981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18907145093) 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, 5942184 + ... + 5945364.

It is an arithmetic number, because the mean of its divisors is an integer number (1184825655).

Almost surely, 2^18907145094 is an apocalyptic number.

18907145094 is an abundant number, since it is smaller than the sum of its proper divisors (19007275866).

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

18907145094 is a wasteful number, since it uses less digits than its factorization.

18907145094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 18907145094 in words is "eighteen billion, nine hundred seven million, one hundred forty-five thousand, ninety-four".