238798193437439 has 4 divisors (see below), whose sum is σ = 238802769131880. Its totient is φ = 238793617743000.

The previous prime is 238798193437421. The next prime is 238798193437451. The reversal of 238798193437439 is 934734391897832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238798193437439 - 2¹² = 238798193433343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238798193497439) 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, 2287768937 + ... + 2287873314.

It is an arithmetic number, because the mean of its divisors is an integer number (59700692282970).

Almost surely, 2^{238798193437439} is an apocalyptic number.

238798193437439 is a deficient number, since it is larger than the sum of its proper divisors (4575694441).

238798193437439 is an equidigital number, since it uses as much as digits as its factorization.

238798193437439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575694440.

The product of its digits is 5925685248, while the sum is 80.

The spelling of 238798193437439 in words is "two hundred thirty-eight trillion, seven hundred ninety-eight billion, one hundred ninety-three million, four hundred thirty-seven thousand, four hundred thirty-nine".