18069476398 has 8 divisors (see below), whose sum is σ = 27168903720. Its totient is φ = 9013175160.

The previous prime is 18069476389. The next prime is 18069476429. The reversal of 18069476398 is 89367496081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10780473 + ... + 10782148.

It is an arithmetic number, because the mean of its divisors is an integer number (3396112965).

Almost surely, 2^18069476398 is an apocalyptic number.

18069476398 is a deficient number, since it is larger than the sum of its proper divisors (9099427322).

18069476398 is a wasteful number, since it uses less digits than its factorization.

18069476398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21563042.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 18069476398 in words is "eighteen billion, sixty-nine million, four hundred seventy-six thousand, three hundred ninety-eight".