280925321263 has 2 divisors, whose sum is σ = 280925321264. Its totient is φ = 280925321262.

The previous prime is 280925321239. The next prime is 280925321293. The reversal of 280925321263 is 362123529082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280925321263 - 2²¹ = 280923224111 is a prime.

It is a super-2 number, since 2×280925321263² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280925321233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140462660631 + 140462660632.

It is an arithmetic number, because the mean of its divisors is an integer number (140462660632).

Almost surely, 2^280925321263 is an apocalyptic number.

280925321263 is a deficient number, since it is larger than the sum of its proper divisors (1).

280925321263 is an equidigital number, since it uses as much as digits as its factorization.

280925321263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 280925321263 in words is "two hundred eighty billion, nine hundred twenty-five million, three hundred twenty-one thousand, two hundred sixty-three".