238193576997 has 4 divisors (see below), whose sum is σ = 317591436000. Its totient is φ = 158795717996.

The previous prime is 238193576983. The next prime is 238193577001. The reversal of 238193576997 is 799675391832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238193576997 - 2²³ = 238185188389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238193576497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39698929497 + ... + 39698929502.

It is an arithmetic number, because the mean of its divisors is an integer number (79397859000).

Almost surely, 2^238193576997 is an apocalyptic number.

It is an amenable number.

238193576997 is a deficient number, since it is larger than the sum of its proper divisors (79397859003).

238193576997 is an equidigital number, since it uses as much as digits as its factorization.

238193576997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79397859002.

The product of its digits is 154314720, while the sum is 69.

The spelling of 238193576997 in words is "two hundred thirty-eight billion, one hundred ninety-three million, five hundred seventy-six thousand, nine hundred ninety-seven".