280506680459 has 2 divisors, whose sum is σ = 280506680460. Its totient is φ = 280506680458.

The previous prime is 280506680449. The next prime is 280506680471. The reversal of 280506680459 is 954086605082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280506680459 - 2⁸ = 280506680203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 280506680459.

It is not a weakly prime, because it can be changed into another prime (280506680449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140253340229 + 140253340230.

It is an arithmetic number, because the mean of its divisors is an integer number (140253340230).

Almost surely, 2^280506680459 is an apocalyptic number.

280506680459 is a deficient number, since it is larger than the sum of its proper divisors (1).

280506680459 is an equidigital number, since it uses as much as digits as its factorization.

280506680459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 280506680459 in words is "two hundred eighty billion, five hundred six million, six hundred eighty thousand, four hundred fifty-nine".