2769985679 has 2 divisors, whose sum is σ = 2769985680. Its totient is φ = 2769985678.

The previous prime is 2769985633. The next prime is 2769985681. The reversal of 2769985679 is 9765899672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2769985679 - 2¹² = 2769981583 is a prime.

Together with 2769985681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2769985609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384992839 + 1384992840.

It is an arithmetic number, because the mean of its divisors is an integer number (1384992840).

Almost surely, 2^2769985679 is an apocalyptic number.

2769985679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2769985679 is an equidigital number, since it uses as much as digits as its factorization.

2769985679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102876480, while the sum is 68.

The square root of 2769985679 is about 52630.6534160464. The cubic root of 2769985679 is about 1404.4054557363.

The spelling of 2769985679 in words is "two billion, seven hundred sixty-nine million, nine hundred eighty-five thousand, six hundred seventy-nine".