280425452689 has 2 divisors, whose sum is σ = 280425452690. Its totient is φ = 280425452688.

The previous prime is 280425452651. The next prime is 280425452803. The reversal of 280425452689 is 986254524082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176601657600 + 103823795089 = 420240^2 + 322217^2 .

It is a cyclic number.

It is not a de Polignac number, because 280425452689 - 2¹⁹ = 280424928401 is a prime.

It is not a weakly prime, because it can be changed into another prime (280465452689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140212726344 + 140212726345.

It is an arithmetic number, because the mean of its divisors is an integer number (140212726345).

Almost surely, 2^280425452689 is an apocalyptic number.

It is an amenable number.

280425452689 is a deficient number, since it is larger than the sum of its proper divisors (1).

280425452689 is an equidigital number, since it uses as much as digits as its factorization.

280425452689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 280425452689 in words is "two hundred eighty billion, four hundred twenty-five million, four hundred fifty-two thousand, six hundred eighty-nine".