238343670641 has 2 divisors, whose sum is σ = 238343670642. Its totient is φ = 238343670640.

The previous prime is 238343670553. The next prime is 238343670683. The reversal of 238343670641 is 146076343832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190863260641 + 47480410000 = 436879^2 + 217900^2 .

It is a cyclic number.

It is not a de Polignac number, because 238343670641 - 2¹⁴ = 238343654257 is a prime.

It is not a weakly prime, because it can be changed into another prime (238343675641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119171835320 + 119171835321.

It is an arithmetic number, because the mean of its divisors is an integer number (119171835321).

Almost surely, 2^238343670641 is an apocalyptic number.

It is an amenable number.

238343670641 is a deficient number, since it is larger than the sum of its proper divisors (1).

238343670641 is an equidigital number, since it uses as much as digits as its factorization.

238343670641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 238343670641 in words is "two hundred thirty-eight billion, three hundred forty-three million, six hundred seventy thousand, six hundred forty-one".