255902581219 has 2 divisors, whose sum is σ = 255902581220. Its totient is φ = 255902581218.

The previous prime is 255902581213. The next prime is 255902581241. The reversal of 255902581219 is 912185209552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255902581219 - 2⁹ = 255902580707 is a prime.

It is a super-2 number, since 2×255902581219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255902581213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127951290609 + 127951290610.

It is an arithmetic number, because the mean of its divisors is an integer number (127951290610).

Almost surely, 2^255902581219 is an apocalyptic number.

255902581219 is a deficient number, since it is larger than the sum of its proper divisors (1).

255902581219 is an equidigital number, since it uses as much as digits as its factorization.

255902581219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 49.

The spelling of 255902581219 in words is "two hundred fifty-five billion, nine hundred two million, five hundred eighty-one thousand, two hundred nineteen".