2646529979 has 2 divisors, whose sum is σ = 2646529980. Its totient is φ = 2646529978.

The previous prime is 2646529913. The next prime is 2646529999. The reversal of 2646529979 is 9799256462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2646529979 - 2²⁰ = 2645481403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2646529999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323264989 + 1323264990.

It is an arithmetic number, because the mean of its divisors is an integer number (1323264990).

Almost surely, 2^2646529979 is an apocalyptic number.

2646529979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646529979 is an equidigital number, since it uses as much as digits as its factorization.

2646529979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14696640, while the sum is 59.

The square root of 2646529979 is about 51444.4358410120. The cubic root of 2646529979 is about 1383.2232259130.

The spelling of 2646529979 in words is "two billion, six hundred forty-six million, five hundred twenty-nine thousand, nine hundred seventy-nine".