238257464753933 has 2 divisors, whose sum is σ = 238257464753934. Its totient is φ = 238257464753932.

The previous prime is 238257464753909. The next prime is 238257464753947. The reversal of 238257464753933 is 339357464752832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234579304624324 + 3678160129609 = 15315982^2 + 1917853^2 .

It is a cyclic number.

It is not a de Polignac number, because 238257464753933 - 2³² = 238253169786637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238257464753963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119128732376966 + 119128732376967.

It is an arithmetic number, because the mean of its divisors is an integer number (119128732376967).

Almost surely, 2^{238257464753933} is an apocalyptic number.

It is an amenable number.

238257464753933 is a deficient number, since it is larger than the sum of its proper divisors (1).

238257464753933 is an equidigital number, since it uses as much as digits as its factorization.

238257464753933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2743372800, while the sum is 71.

The spelling of 238257464753933 in words is "two hundred thirty-eight trillion, two hundred fifty-seven billion, four hundred sixty-four million, seven hundred fifty-three thousand, nine hundred thirty-three".