2680439297 has 6 divisors (see below), whose sum is σ = 2802047682. Its totient is φ = 2563897952.

The previous prime is 2680439263. The next prime is 2680439299. The reversal of 2680439297 is 7929340862.

It can be written as a sum of positive squares in only one way, i.e., 1534210561 + 1146228736 = 39169^2 + 33856^2 .

It is not a de Polignac number, because 2680439297 - 2⁶ = 2680439233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680439299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2532968 + ... + 2534025.

It is an arithmetic number, because the mean of its divisors is an integer number (467007947).

Almost surely, 2^2680439297 is an apocalyptic number.

It is an amenable number.

2680439297 is a deficient number, since it is larger than the sum of its proper divisors (121608385).

2680439297 is an equidigital number, since it uses as much as digits as its factorization.

2680439297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067039 (or 5067016 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 2680439297 is about 51772.9591292597. The cubic root of 2680439297 is about 1389.1058025687.

The spelling of 2680439297 in words is "two billion, six hundred eighty million, four hundred thirty-nine thousand, two hundred ninety-seven".