238399998369 has 8 divisors (see below), whose sum is σ = 342317946432. Its totient is φ = 146707691280.

The previous prime is 238399998367. The next prime is 238399998391. The reversal of 238399998369 is 963899993832.

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

It is not a de Polignac number, because 238399998369 - 2¹ = 238399998367 is a prime.

It is a super-2 number, since 2×238399998369² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 238399998294 and 238399998303.

It is not an unprimeable number, because it can be changed into a prime (238399998367) 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, 3056410197 + ... + 3056410274.

It is an arithmetic number, because the mean of its divisors is an integer number (42789743304).

Almost surely, 2^238399998369 is an apocalyptic number.

It is an amenable number.

238399998369 is a deficient number, since it is larger than the sum of its proper divisors (103917948063).

238399998369 is a wasteful number, since it uses less digits than its factorization.

238399998369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112820487.

The product of its digits is 1224440064, while the sum is 78.

The spelling of 238399998369 in words is "two hundred thirty-eight billion, three hundred ninety-nine million, nine hundred ninety-eight thousand, three hundred sixty-nine".