255708989263 has 16 divisors (see below), whose sum is σ = 324870977536. Its totient is φ = 195792772320.

The previous prime is 255708989257. The next prime is 255708989281. The reversal of 255708989263 is 362989807552.

It is a cyclic number.

It is not a de Polignac number, because 255708989263 - 2²⁹ = 255172118351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255708989195 and 255708989204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255708929263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45319581 + ... + 45325222.

It is an arithmetic number, because the mean of its divisors is an integer number (20304436096).

Almost surely, 2^255708989263 is an apocalyptic number.

255708989263 is a deficient number, since it is larger than the sum of its proper divisors (69161988273).

255708989263 is a wasteful number, since it uses less digits than its factorization.

255708989263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90644854.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 255708989263 in words is "two hundred fifty-five billion, seven hundred eight million, nine hundred eighty-nine thousand, two hundred sixty-three".