3772164213 has 12 divisors (see below), whose sum is σ = 5452645068. Its totient is φ = 2512946880.

The previous prime is 3772164203. The next prime is 3772164223. The reversal of 3772164213 is 3124612773.

3772164213 is a `hidden beast` number, since 3 + 7 + 7 + 2 + 1 + 642 + 1 + 3 = 666.

3772164213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3772164203) and next prime (3772164223).

It can be written as a sum of positive squares in 2 ways, for example, as 2550452004 + 1221712209 = 50502^2 + 34953^2 .

It is not a de Polignac number, because 3772164213 - 2⁹ = 3772163701 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3772164203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139320 + ... + 164177.

It is an arithmetic number, because the mean of its divisors is an integer number (454387089).

Almost surely, 2^3772164213 is an apocalyptic number.

It is an amenable number.

3772164213 is a deficient number, since it is larger than the sum of its proper divisors (1680480855).

3772164213 is a wasteful number, since it uses less digits than its factorization.

3772164213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304884 (or 304881 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 3772164213 is about 61417.9469943436. The cubic root of 3772164213 is about 1556.6711029214.

Adding to 3772164213 its reverse (3124612773), we get a palindrome (6896776986).

The spelling of 3772164213 in words is "three billion, seven hundred seventy-two million, one hundred sixty-four thousand, two hundred thirteen".