238622146577 has 2 divisors, whose sum is σ = 238622146578. Its totient is φ = 238622146576.

The previous prime is 238622146523. The next prime is 238622146583. The reversal of 238622146577 is 775641226832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137202827281 + 101419319296 = 370409^2 + 318464^2 .

It is a cyclic number.

It is not a de Polignac number, because 238622146577 - 2³⁴ = 221442277393 is a prime.

It is not a weakly prime, because it can be changed into another prime (238622140577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119311073288 + 119311073289.

It is an arithmetic number, because the mean of its divisors is an integer number (119311073289).

Almost surely, 2^238622146577 is an apocalyptic number.

It is an amenable number.

238622146577 is a deficient number, since it is larger than the sum of its proper divisors (1).

238622146577 is an equidigital number, since it uses as much as digits as its factorization.

238622146577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 53.

The spelling of 238622146577 in words is "two hundred thirty-eight billion, six hundred twenty-two million, one hundred forty-six thousand, five hundred seventy-seven".