18472390058 has 4 divisors (see below), whose sum is σ = 27708585090. Its totient is φ = 9236195028.

The previous prime is 18472389983. The next prime is 18472390073. The reversal of 18472390058 is 85009327481.

It is a happy number.

18472390058 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9385153129 + 9087236929 = 96877^2 + 95327^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18472389994 and 18472390021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4618097513 + ... + 4618097516.

Almost surely, 2^18472390058 is an apocalyptic number.

18472390058 is a deficient number, since it is larger than the sum of its proper divisors (9236195032).

18472390058 is an equidigital number, since it uses as much as digits as its factorization.

18472390058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9236195031.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 18472390058 in words is "eighteen billion, four hundred seventy-two million, three hundred ninety thousand, fifty-eight".