3865362213 has 32 divisors (see below), whose sum is σ = 5363763840. Its totient is φ = 2473977600.

The previous prime is 3865362181. The next prime is 3865362247. The reversal of 3865362213 is 3122635683.

It is not a de Polignac number, because 3865362213 - 2⁵ = 3865362181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865362013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6244218 + ... + 6244836.

It is an arithmetic number, because the mean of its divisors is an integer number (167617620).

Almost surely, 2^3865362213 is an apocalyptic number.

It is an amenable number.

3865362213 is a deficient number, since it is larger than the sum of its proper divisors (1498401627).

3865362213 is a wasteful number, since it uses less digits than its factorization.

3865362213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317.

The product of its digits is 155520, while the sum is 39.

The square root of 3865362213 is about 62172.0372273581. The cubic root of 3865362213 is about 1569.3870533851.

Adding to 3865362213 its reverse (3122635683), we get a palindrome (6987997896).

The spelling of 3865362213 in words is "three billion, eight hundred sixty-five million, three hundred sixty-two thousand, two hundred thirteen".