18419297059 has 4 divisors (see below), whose sum is σ = 18438345904. Its totient is φ = 18400248216.

The previous prime is 18419297047. The next prime is 18419297087. The reversal of 18419297059 is 95079291481.

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

It is a cyclic number.

It is not a de Polignac number, because 18419297059 - 2²¹ = 18417199907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18419217059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9522972 + ... + 9524905.

It is an arithmetic number, because the mean of its divisors is an integer number (4609586476).

Almost surely, 2^18419297059 is an apocalyptic number.

18419297059 is a deficient number, since it is larger than the sum of its proper divisors (19048845).

18419297059 is an equidigital number, since it uses as much as digits as its factorization.

18419297059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19048844.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 18419297059 in words is "eighteen billion, four hundred nineteen million, two hundred ninety-seven thousand, fifty-nine".