2689950839 has 2 divisors, whose sum is σ = 2689950840. Its totient is φ = 2689950838.

The previous prime is 2689950829. The next prime is 2689950889. The reversal of 2689950839 is 9380599862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2689950839 - 2²⁴ = 2673173623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2689950829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344975419 + 1344975420.

It is an arithmetic number, because the mean of its divisors is an integer number (1344975420).

Almost surely, 2^2689950839 is an apocalyptic number.

2689950839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2689950839 is an equidigital number, since it uses as much as digits as its factorization.

2689950839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The square root of 2689950839 is about 51864.7359869883. The cubic root of 2689950839 is about 1390.7469440909.

The spelling of 2689950839 in words is "two billion, six hundred eighty-nine million, nine hundred fifty thousand, eight hundred thirty-nine".