2655199979 has 2 divisors, whose sum is σ = 2655199980. Its totient is φ = 2655199978.

The previous prime is 2655199969. The next prime is 2655200047. The reversal of 2655199979 is 9799915562.

It is a happy number.

2655199979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2655199979 - 2¹² = 2655195883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2655199919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327599989 + 1327599990.

It is an arithmetic number, because the mean of its divisors is an integer number (1327599990).

Almost surely, 2^2655199979 is an apocalyptic number.

2655199979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655199979 is an equidigital number, since it uses as much as digits as its factorization.

2655199979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13778100, while the sum is 62.

The square root of 2655199979 is about 51528.6326133345. The cubic root of 2655199979 is about 1384.7320536277.

The spelling of 2655199979 in words is "two billion, six hundred fifty-five million, one hundred ninety-nine thousand, nine hundred seventy-nine".