18472343570 has 16 divisors (see below), whose sum is σ = 33251798808. Its totient is φ = 7388586240.

The previous prime is 18472343537. The next prime is 18472343587. The reversal of 18472343570 is 7534327481.

It is a Cunningham number, because it is equal to 135913²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 7422339409 + 11050004161 = 86153^2 + 105119^2 .

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, 323192 + ... + 376028.

Almost surely, 2^18472343570 is an apocalyptic number.

18472343570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18472343570 is a deficient number, since it is larger than the sum of its proper divisors (14779455238).

18472343570 is a wasteful number, since it uses less digits than its factorization.

18472343570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87805.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 18472343570 in words is "eighteen billion, four hundred seventy-two million, three hundred forty-three thousand, five hundred seventy".