818598380047 has 32 divisors (see below), whose sum is σ = 974108095488. Its totient is φ = 673375078656.

The previous prime is 818598380021. The next prime is 818598380051. The reversal of 818598380047 is 740083895818.

It is not a de Polignac number, because 818598380047 - 2³¹ = 816450896399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818598381047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5708073 + ... + 5849725.

It is an arithmetic number, because the mean of its divisors is an integer number (30440877984).

Almost surely, 2^818598380047 is an apocalyptic number.

818598380047 is a deficient number, since it is larger than the sum of its proper divisors (155509715441).

818598380047 is a wasteful number, since it uses less digits than its factorization.

818598380047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142039.

The product of its (nonzero) digits is 15482880, while the sum is 61.

The spelling of 818598380047 in words is "eight hundred eighteen billion, five hundred ninety-eight million, three hundred eighty thousand, forty-seven".