255392749741 has 2 divisors, whose sum is σ = 255392749742. Its totient is φ = 255392749740.

The previous prime is 255392749687. The next prime is 255392749763. The reversal of 255392749741 is 147947293552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240341140516 + 15051609225 = 490246^2 + 122685^2 .

It is a cyclic number.

It is not a de Polignac number, because 255392749741 - 2⁹ = 255392749229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255392744741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127696374870 + 127696374871.

It is an arithmetic number, because the mean of its divisors is an integer number (127696374871).

Almost surely, 2^255392749741 is an apocalyptic number.

It is an amenable number.

255392749741 is a deficient number, since it is larger than the sum of its proper divisors (1).

255392749741 is an equidigital number, since it uses as much as digits as its factorization.

255392749741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19051200, while the sum is 58.

The spelling of 255392749741 in words is "two hundred fifty-five billion, three hundred ninety-two million, seven hundred forty-nine thousand, seven hundred forty-one".