2657897339 has 2 divisors, whose sum is σ = 2657897340. Its totient is φ = 2657897338.

The previous prime is 2657897321. The next prime is 2657897393. The reversal of 2657897339 is 9337987562.

Together with next prime (2657897393) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2657897339 - 2¹² = 2657893243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2657897239) 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, 1328948669 + 1328948670.

It is an arithmetic number, because the mean of its divisors is an integer number (1328948670).

Almost surely, 2^2657897339 is an apocalyptic number.

2657897339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2657897339 is an equidigital number, since it uses as much as digits as its factorization.

2657897339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 59.

The square root of 2657897339 is about 51554.7993789133. The cubic root of 2657897339 is about 1385.2008013411.

The spelling of 2657897339 in words is "two billion, six hundred fifty-seven million, eight hundred ninety-seven thousand, three hundred thirty-nine".