4617942779 has 2 divisors, whose sum is σ = 4617942780. Its totient is φ = 4617942778.

The previous prime is 4617942767. The next prime is 4617942809. The reversal of 4617942779 is 9772497164.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4617942779 is a prime.

It is not a weakly prime, because it can be changed into another prime (4617942739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2308971389 + 2308971390.

It is an arithmetic number, because the mean of its divisors is an integer number (2308971390).

Almost surely, 2^4617942779 is an apocalyptic number.

4617942779 is a deficient number, since it is larger than the sum of its proper divisors (1).

4617942779 is an equidigital number, since it uses as much as digits as its factorization.

4617942779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 56.

The square root of 4617942779 is about 67955.4470149377. The cubic root of 4617942779 is about 1665.2630628608.

The spelling of 4617942779 in words is "four billion, six hundred seventeen million, nine hundred forty-two thousand, seven hundred seventy-nine".