18948042570 has 64 divisors (see below), whose sum is σ = 46035288576. Its totient is φ = 4990870080.

The previous prime is 18948042557. The next prime is 18948042601. The reversal of 18948042570 is 7524084981.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1105365 + ... + 1122375.

It is an arithmetic number, because the mean of its divisors is an integer number (719301384).

Almost surely, 2^18948042570 is an apocalyptic number.

18948042570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18948042570 is an abundant number, since it is smaller than the sum of its proper divisors (27087246006).

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

18948042570 is a wasteful number, since it uses less digits than its factorization.

18948042570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17475.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 18948042570 in words is "eighteen billion, nine hundred forty-eight million, forty-two thousand, five hundred seventy".