3199779913 has 8 divisors (see below), whose sum is σ = 3505653216. Its totient is φ = 2896404000.

The previous prime is 3199779853. The next prime is 3199779923.

3199779913 is nontrivially palindromic in base 10.

3199779913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3199779913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3199779923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621663 + ... + 626788.

It is an arithmetic number, because the mean of its divisors is an integer number (438206652).

Almost surely, 2^3199779913 is an apocalyptic number.

It is an amenable number.

3199779913 is a deficient number, since it is larger than the sum of its proper divisors (305873303).

3199779913 is a wasteful number, since it uses less digits than its factorization.

3199779913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248695.

The product of its digits is 2893401, while the sum is 58.

The square root of 3199779913 is about 56566.5971488475. The cubic root of 3199779913 is about 1473.5788150383.

The spelling of 3199779913 in words is "three billion, one hundred ninety-nine million, seven hundred seventy-nine thousand, nine hundred thirteen".