238271458643 has 2 divisors, whose sum is σ = 238271458644. Its totient is φ = 238271458642.

The previous prime is 238271458637. The next prime is 238271458679. The reversal of 238271458643 is 346854172832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238271458643 - 2¹⁴ = 238271442259 is a prime.

It is not a weakly prime, because it can be changed into another prime (238271458543) 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, 119135729321 + 119135729322.

It is an arithmetic number, because the mean of its divisors is an integer number (119135729322).

Almost surely, 2^238271458643 is an apocalyptic number.

238271458643 is a deficient number, since it is larger than the sum of its proper divisors (1).

238271458643 is an equidigital number, since it uses as much as digits as its factorization.

238271458643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 53.

The spelling of 238271458643 in words is "two hundred thirty-eight billion, two hundred seventy-one million, four hundred fifty-eight thousand, six hundred forty-three".