2689463239 has 2 divisors, whose sum is σ = 2689463240. Its totient is φ = 2689463238.

The previous prime is 2689463237. The next prime is 2689463279. The reversal of 2689463239 is 9323649862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2689463239 - 2¹ = 2689463237 is a prime.

It is a super-2 number, since 2×2689463239² = 14466425027864742242, which contains 22 as substring.

Together with 2689463237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2689463233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344731619 + 1344731620.

It is an arithmetic number, because the mean of its divisors is an integer number (1344731620).

Almost surely, 2^2689463239 is an apocalyptic number.

2689463239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2689463239 is an equidigital number, since it uses as much as digits as its factorization.

2689463239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 52.

The square root of 2689463239 is about 51860.0350848319. The cubic root of 2689463239 is about 1390.6629067201.

The spelling of 2689463239 in words is "two billion, six hundred eighty-nine million, four hundred sixty-three thousand, two hundred thirty-nine".