280013782313 has 4 divisors (see below), whose sum is σ = 280036212048. Its totient is φ = 279991352580.

The previous prime is 280013782273. The next prime is 280013782351. The reversal of 280013782313 is 313287310082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 280013782313 - 2¹⁶ = 280013716777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280013782393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11196131 + ... + 11221112.

It is an arithmetic number, because the mean of its divisors is an integer number (70009053012).

Almost surely, 2^280013782313 is an apocalyptic number.

It is an amenable number.

280013782313 is a deficient number, since it is larger than the sum of its proper divisors (22429735).

280013782313 is a wasteful number, since it uses less digits than its factorization.

280013782313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22429734.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 280013782313 in words is "two hundred eighty billion, thirteen million, seven hundred eighty-two thousand, three hundred thirteen".