238403329999 has 2 divisors, whose sum is σ = 238403330000. Its totient is φ = 238403329998.

The previous prime is 238403329877. The next prime is 238403330101. The reversal of 238403329999 is 999923304832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238403329999 - 2²¹ = 238401232847 is a prime.

It is a super-2 number, since 2×238403329999² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238403329799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119201664999 + 119201665000.

It is an arithmetic number, because the mean of its divisors is an integer number (119201665000).

Almost surely, 2^238403329999 is an apocalyptic number.

238403329999 is a deficient number, since it is larger than the sum of its proper divisors (1).

238403329999 is an equidigital number, since it uses as much as digits as its factorization.

238403329999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22674816, while the sum is 61.

The spelling of 238403329999 in words is "two hundred thirty-eight billion, four hundred three million, three hundred twenty-nine thousand, nine hundred ninety-nine".