238021794308443 has 2 divisors, whose sum is σ = 238021794308444. Its totient is φ = 238021794308442.

The previous prime is 238021794308377. The next prime is 238021794308453. The reversal of 238021794308443 is 344803497120832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238021794308443 - 2²⁹ = 238021257437531 is a prime.

It is not a weakly prime, because it can be changed into another prime (238021794308453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119010897154221 + 119010897154222.

It is an arithmetic number, because the mean of its divisors is an integer number (119010897154222).

Almost surely, 2^{238021794308443} is an apocalyptic number.

238021794308443 is a deficient number, since it is larger than the sum of its proper divisors (1).

238021794308443 is an equidigital number, since it uses as much as digits as its factorization.

238021794308443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27869184, while the sum is 58.

The spelling of 238021794308443 in words is "two hundred thirty-eight trillion, twenty-one billion, seven hundred ninety-four million, three hundred eight thousand, four hundred forty-three".