255894056219 has 2 divisors, whose sum is σ = 255894056220. Its totient is φ = 255894056218.

The previous prime is 255894056153. The next prime is 255894056261. The reversal of 255894056219 is 912650498552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255894056219 - 2²⁴ = 255877279003 is a prime.

It is a super-2 number, since 2×255894056219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255894056519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127947028109 + 127947028110.

It is an arithmetic number, because the mean of its divisors is an integer number (127947028110).

Almost surely, 2^255894056219 is an apocalyptic number.

255894056219 is a deficient number, since it is larger than the sum of its proper divisors (1).

255894056219 is an equidigital number, since it uses as much as digits as its factorization.

255894056219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776000, while the sum is 56.

The spelling of 255894056219 in words is "two hundred fifty-five billion, eight hundred ninety-four million, fifty-six thousand, two hundred nineteen".