280505255339 has 2 divisors, whose sum is σ = 280505255340. Its totient is φ = 280505255338.

The previous prime is 280505255263. The next prime is 280505255347. The reversal of 280505255339 is 933552505082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280505255339 - 2⁸ = 280505255083 is a prime.

It is a super-4 number, since 4×280505255339⁴ (a number of 47 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 280505255293 and 280505255302.

It is not a weakly prime, because it can be changed into another prime (280505255369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140252627669 + 140252627670.

It is an arithmetic number, because the mean of its divisors is an integer number (140252627670).

Almost surely, 2^280505255339 is an apocalyptic number.

280505255339 is a deficient number, since it is larger than the sum of its proper divisors (1).

280505255339 is an equidigital number, since it uses as much as digits as its factorization.

280505255339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 280505255339 in words is "two hundred eighty billion, five hundred five million, two hundred fifty-five thousand, three hundred thirty-nine".