2656075979 has 2 divisors, whose sum is σ = 2656075980. Its totient is φ = 2656075978.

The previous prime is 2656075963. The next prime is 2656075997. The reversal of 2656075979 is 9795706562.

It is a happy number.

Together with next prime (2656075997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2656075979 - 2⁴ = 2656075963 is a prime.

It is not a weakly prime, because it can be changed into another prime (2656075909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328037989 + 1328037990.

It is an arithmetic number, because the mean of its divisors is an integer number (1328037990).

Almost surely, 2^2656075979 is an apocalyptic number.

2656075979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656075979 is an equidigital number, since it uses as much as digits as its factorization.

2656075979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7144200, while the sum is 56.

The square root of 2656075979 is about 51537.1320408887. The cubic root of 2656075979 is about 1384.8843198616.

The spelling of 2656075979 in words is "two billion, six hundred fifty-six million, seventy-five thousand, nine hundred seventy-nine".