338398638079 has 8 divisors (see below), whose sum is σ = 346685940720. Its totient is φ = 330112939200.

The previous prime is 338398638043. The next prime is 338398638089. The reversal of 338398638079 is 970836893833.

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

It is a cyclic number.

It is not a de Polignac number, because 338398638079 - 2³³ = 329808703487 is a prime.

It is a super-2 number, since 2×338398638079² (a number of 24 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 (338398638089) 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, 31884 + ... + 823294.

It is an arithmetic number, because the mean of its divisors is an integer number (43335742590).

Almost surely, 2^338398638079 is an apocalyptic number.

338398638079 is a deficient number, since it is larger than the sum of its proper divisors (8287302641).

338398638079 is a wasteful number, since it uses less digits than its factorization.

338398638079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801881.

The product of its (nonzero) digits is 141087744, while the sum is 67.

The spelling of 338398638079 in words is "three hundred thirty-eight billion, three hundred ninety-eight million, six hundred thirty-eight thousand, seventy-nine".