3799644813 has 6 divisors (see below), whose sum is σ = 5488375854. Its totient is φ = 2533096536.

The previous prime is 3799644787. The next prime is 3799644841. The reversal of 3799644813 is 3184469973.

It is a happy number.

3799644813 is a `hidden beast` number, since 3 + 79 + 96 + 4 + 481 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2970032004 + 829612809 = 54498^2 + 28803^2 .

It is not a de Polignac number, because 3799644813 - 2⁶ = 3799644749 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3799644813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3799644883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211091370 + ... + 211091387.

It is an arithmetic number, because the mean of its divisors is an integer number (914729309).

Almost surely, 2^3799644813 is an apocalyptic number.

It is an amenable number.

3799644813 is a deficient number, since it is larger than the sum of its proper divisors (1688731041).

3799644813 is a wasteful number, since it uses less digits than its factorization.

3799644813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422182763 (or 422182760 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 3799644813 is about 61641.2590153705. The cubic root of 3799644813 is about 1560.4421293659.

The spelling of 3799644813 in words is "three billion, seven hundred ninety-nine million, six hundred forty-four thousand, eight hundred thirteen".