18758358474 has 16 divisors (see below), whose sum is σ = 37518065760. Its totient is φ = 6252561360.

The previous prime is 18758358473. The next prime is 18758358481. The reversal of 18758358474 is 47485385781.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18758358473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272304 + ... + 334164.

It is an arithmetic number, because the mean of its divisors is an integer number (2344879110).

Almost surely, 2^18758358474 is an apocalyptic number.

18758358474 is an abundant number, since it is smaller than the sum of its proper divisors (18759707286).

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

18758358474 is a wasteful number, since it uses less digits than its factorization.

18758358474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112405.

The product of its digits is 30105600, while the sum is 60.

The spelling of 18758358474 in words is "eighteen billion, seven hundred fifty-eight million, three hundred fifty-eight thousand, four hundred seventy-four".