2655223979 has 2 divisors, whose sum is σ = 2655223980. Its totient is φ = 2655223978.

The previous prime is 2655223903. The next prime is 2655224053. The reversal of 2655223979 is 9793225562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2655223979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2655223279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327611989 + 1327611990.

It is an arithmetic number, because the mean of its divisors is an integer number (1327611990).

Almost surely, 2^2655223979 is an apocalyptic number.

2655223979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655223979 is an equidigital number, since it uses as much as digits as its factorization.

2655223979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 50.

The square root of 2655223979 is about 51528.8654930419. The cubic root of 2655223979 is about 1384.7362257515.

The spelling of 2655223979 in words is "two billion, six hundred fifty-five million, two hundred twenty-three thousand, nine hundred seventy-nine".