280085295313 has 2 divisors, whose sum is σ = 280085295314. Its totient is φ = 280085295312.

The previous prime is 280085295311. The next prime is 280085295349. The reversal of 280085295313 is 313592580082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276862235329 + 3223059984 = 526177^2 + 56772^2 .

It is a cyclic number.

It is not a de Polignac number, because 280085295313 - 2¹ = 280085295311 is a prime.

Together with 280085295311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (280085295311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140042647656 + 140042647657.

It is an arithmetic number, because the mean of its divisors is an integer number (140042647657).

Almost surely, 2^280085295313 is an apocalyptic number.

It is an amenable number.

280085295313 is a deficient number, since it is larger than the sum of its proper divisors (1).

280085295313 is an equidigital number, since it uses as much as digits as its factorization.

280085295313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 280085295313 in words is "two hundred eighty billion, eighty-five million, two hundred ninety-five thousand, three hundred thirteen".