4779068561 has 2 divisors, whose sum is σ = 4779068562. Its totient is φ = 4779068560.

The previous prime is 4779068551. The next prime is 4779068563. The reversal of 4779068561 is 1658609774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4068526225 + 710542336 = 63785^2 + 26656^2 .

It is a cyclic number.

It is not a de Polignac number, because 4779068561 - 2²⁶ = 4711959697 is a prime.

It is a super-2 number, since 2×4779068561² = 45678992621477221442, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4779068563, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4779068563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2389534280 + 2389534281.

It is an arithmetic number, because the mean of its divisors is an integer number (2389534281).

Almost surely, 2^4779068561 is an apocalyptic number.

It is an amenable number.

4779068561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4779068561 is an equidigital number, since it uses as much as digits as its factorization.

4779068561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 4779068561 is about 69130.8076113682. The cubic root of 4779068561 is about 1684.4097773432.

The spelling of 4779068561 in words is "four billion, seven hundred seventy-nine million, sixty-eight thousand, five hundred sixty-one".