255057637019 has 2 divisors, whose sum is σ = 255057637020. Its totient is φ = 255057637018.

The previous prime is 255057636991. The next prime is 255057637027. The reversal of 255057637019 is 910736750552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255057637019 is a prime.

It is a super-2 number, since 2×255057637019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255057637069) 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, 127528818509 + 127528818510.

It is an arithmetic number, because the mean of its divisors is an integer number (127528818510).

Almost surely, 2^255057637019 is an apocalyptic number.

255057637019 is a deficient number, since it is larger than the sum of its proper divisors (1).

255057637019 is an equidigital number, since it uses as much as digits as its factorization.

255057637019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1984500, while the sum is 50.

The spelling of 255057637019 in words is "two hundred fifty-five billion, fifty-seven million, six hundred thirty-seven thousand, nineteen".