18948425442 has 16 divisors (see below), whose sum is σ = 38026195200. Its totient is φ = 6294584432.

The previous prime is 18948425413. The next prime is 18948425513. The reversal of 18948425442 is 24452484981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5387442 + ... + 5390957.

It is an arithmetic number, because the mean of its divisors is an integer number (2376637200).

Almost surely, 2^18948425442 is an apocalyptic number.

18948425442 is an abundant number, since it is smaller than the sum of its proper divisors (19077769758).

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

18948425442 is a wasteful number, since it uses less digits than its factorization.

18948425442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778697.

The product of its digits is 2949120, while the sum is 51.

The spelling of 18948425442 in words is "eighteen billion, nine hundred forty-eight million, four hundred twenty-five thousand, four hundred forty-two".