3813977473 has 2 divisors, whose sum is σ = 3813977474. Its totient is φ = 3813977472.

The previous prime is 3813977429. The next prime is 3813977527. The reversal of 3813977473 is 3747793183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3372473329 + 441504144 = 58073^2 + 21012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3813977473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3813977473.

It is not a weakly prime, because it can be changed into another prime (3813977273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906988736 + 1906988737.

It is an arithmetic number, because the mean of its divisors is an integer number (1906988737).

Almost surely, 2^3813977473 is an apocalyptic number.

It is an amenable number.

3813977473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3813977473 is an equidigital number, since it uses as much as digits as its factorization.

3813977473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 52.

The square root of 3813977473 is about 61757.4082438698. The cubic root of 3813977473 is about 1562.4017181318.

The spelling of 3813977473 in words is "three billion, eight hundred thirteen million, nine hundred seventy-seven thousand, four hundred seventy-three".