255348568633 has 2 divisors, whose sum is σ = 255348568634. Its totient is φ = 255348568632.

The previous prime is 255348568609. The next prime is 255348568637. The reversal of 255348568633 is 336865843552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205909935529 + 49438633104 = 453773^2 + 222348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255348568633 is a prime.

It is a super-2 number, since 2×255348568633² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255348568637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127674284316 + 127674284317.

It is an arithmetic number, because the mean of its divisors is an integer number (127674284317).

Almost surely, 2^255348568633 is an apocalyptic number.

It is an amenable number.

255348568633 is a deficient number, since it is larger than the sum of its proper divisors (1).

255348568633 is an equidigital number, since it uses as much as digits as its factorization.

255348568633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208000, while the sum is 58.

The spelling of 255348568633 in words is "two hundred fifty-five billion, three hundred forty-eight million, five hundred sixty-eight thousand, six hundred thirty-three".