4779661709 has 16 divisors (see below), whose sum is σ = 5020704000. Its totient is φ = 4543875840.

The previous prime is 4779661699. The next prime is 4779661721. The reversal of 4779661709 is 9071669774.

It is a cyclic number.

It is not a de Polignac number, because 4779661709 - 2⁴ = 4779661693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4779661729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3065072 + ... + 3066630.

It is an arithmetic number, because the mean of its divisors is an integer number (313794000).

Almost surely, 2^4779661709 is an apocalyptic number.

It is an amenable number.

4779661709 is a deficient number, since it is larger than the sum of its proper divisors (241042291).

4779661709 is a wasteful number, since it uses less digits than its factorization.

4779661709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148.

The product of its (nonzero) digits is 4000752, while the sum is 56.

The square root of 4779661709 is about 69135.0975192774. The cubic root of 4779661709 is about 1684.4794605842.

The spelling of 4779661709 in words is "four billion, seven hundred seventy-nine million, six hundred sixty-one thousand, seven hundred nine".