255193932893 has 2 divisors, whose sum is σ = 255193932894. Its totient is φ = 255193932892.

The previous prime is 255193932887. The next prime is 255193932911. The reversal of 255193932893 is 398239391552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232350028729 + 22843904164 = 482027^2 + 151142^2 .

It is a cyclic number.

It is not a de Polignac number, because 255193932893 - 2¹² = 255193928797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255193932853) 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, 127596966446 + 127596966447.

It is an arithmetic number, because the mean of its divisors is an integer number (127596966447).

Almost surely, 2^255193932893 is an apocalyptic number.

It is an amenable number.

255193932893 is a deficient number, since it is larger than the sum of its proper divisors (1).

255193932893 is an equidigital number, since it uses as much as digits as its factorization.

255193932893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15746400, while the sum is 59.

The spelling of 255193932893 in words is "two hundred fifty-five billion, one hundred ninety-three million, nine hundred thirty-two thousand, eight hundred ninety-three".