818598380029 has 16 divisors (see below), whose sum is σ = 834888577600. Its totient is φ = 802473122304.

The previous prime is 818598380021. The next prime is 818598380051. The reversal of 818598380029 is 920083895818.

It is a cyclic number.

It is not a de Polignac number, because 818598380029 - 2³ = 818598380021 is a prime.

It is a super-2 number, since 2×818598380029² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818598380021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39522094 + ... + 39542800.

It is an arithmetic number, because the mean of its divisors is an integer number (52180536100).

Almost surely, 2^818598380029 is an apocalyptic number.

It is an amenable number.

818598380029 is a deficient number, since it is larger than the sum of its proper divisors (16290197571).

818598380029 is a wasteful number, since it uses less digits than its factorization.

818598380029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24652.

The product of its (nonzero) digits is 9953280, while the sum is 61.

The spelling of 818598380029 in words is "eight hundred eighteen billion, five hundred ninety-eight million, three hundred eighty thousand, twenty-nine".