238403329919 has 4 divisors (see below), whose sum is σ = 238562373000. Its totient is φ = 238244286840.

The previous prime is 238403329877. The next prime is 238403329999. The reversal of 238403329919 is 919923304832.

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 238403329919 - 2⁸ = 238403329663 is a prime.

It is a super-2 number, since 2×238403329919² (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 (238403329999) 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, 79519292 + ... + 79522289.

It is an arithmetic number, because the mean of its divisors is an integer number (59640593250).

Almost surely, 2^238403329919 is an apocalyptic number.

238403329919 is a deficient number, since it is larger than the sum of its proper divisors (159043081).

238403329919 is a wasteful number, since it uses less digits than its factorization.

238403329919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159043080.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 238403329919 in words is "two hundred thirty-eight billion, four hundred three million, three hundred twenty-nine thousand, nine hundred nineteen".