2689345019 has 2 divisors, whose sum is σ = 2689345020. Its totient is φ = 2689345018.

The previous prime is 2689345007. The next prime is 2689345067. The reversal of 2689345019 is 9105439862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2689345019 is a prime.

It is a super-2 number, since 2×2689345019² = 14465153262440220722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2689345069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344672509 + 1344672510.

It is an arithmetic number, because the mean of its divisors is an integer number (1344672510).

Almost surely, 2^2689345019 is an apocalyptic number.

2689345019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2689345019 is an equidigital number, since it uses as much as digits as its factorization.

2689345019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 2689345019 is about 51858.8952736172. The cubic root of 2689345019 is about 1390.6425300919.

The spelling of 2689345019 in words is "two billion, six hundred eighty-nine million, three hundred forty-five thousand, nineteen".