3642042213 has 12 divisors (see below), whose sum is σ = 5339246848. Its totient is φ = 2391788520.

The previous prime is 3642042193. The next prime is 3642042233. The reversal of 3642042213 is 3122402463.

3642042213 is a `hidden beast` number, since 3 + 642 + 0 + 4 + 2 + 2 + 13 = 666.

3642042213 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 (3642042193) and next prime (3642042233).

It is not a de Polignac number, because 3642042213 - 2⁹ = 3642041701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642042233) 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, 3019333 + ... + 3020538.

Almost surely, 2^3642042213 is an apocalyptic number.

It is an amenable number.

3642042213 is a deficient number, since it is larger than the sum of its proper divisors (1697204635).

3642042213 is a wasteful number, since it uses less digits than its factorization.

3642042213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6039944 (or 6039941 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 3642042213 is about 60349.3348182066. The cubic root of 3642042213 is about 1538.5619640829.

Adding to 3642042213 its reverse (3122402463), we get a palindrome (6764444676).

The spelling of 3642042213 in words is "three billion, six hundred forty-two million, forty-two thousand, two hundred thirteen".