238474368491 has 8 divisors (see below), whose sum is σ = 244425891840. Its totient is φ = 232586498088.

The previous prime is 238474368439. The next prime is 238474368551. The reversal of 238474368491 is 194863474832.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238474368491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238474368491.

It is not an unprimeable number, because it can be changed into a prime (238474368421) 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, 15905651 + ... + 15920636.

It is an arithmetic number, because the mean of its divisors is an integer number (30553236480).

Almost surely, 2^238474368491 is an apocalyptic number.

238474368491 is a deficient number, since it is larger than the sum of its proper divisors (5951523349).

238474368491 is a wasteful number, since it uses less digits than its factorization.

238474368491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31826473.

The product of its digits is 27869184, while the sum is 59.

The spelling of 238474368491 in words is "two hundred thirty-eight billion, four hundred seventy-four million, three hundred sixty-eight thousand, four hundred ninety-one".