3661413213 has 8 divisors (see below), whose sum is σ = 4884417568. Its totient is φ = 2439675504.

The previous prime is 3661413169. The next prime is 3661413227. The reversal of 3661413213 is 3123141663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3661413213 - 2⁸ = 3661412957 is a prime.

It is a super-4 number, since 4×3661413213⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661413293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309895 + ... + 321492.

It is an arithmetic number, because the mean of its divisors is an integer number (610552196).

Almost surely, 2^3661413213 is an apocalyptic number.

It is an amenable number.

3661413213 is a deficient number, since it is larger than the sum of its proper divisors (1223004355).

3661413213 is a wasteful number, since it uses less digits than its factorization.

3661413213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633323.

The product of its digits is 7776, while the sum is 30.

The square root of 3661413213 is about 60509.6125669302. The cubic root of 3661413213 is about 1541.2848686932.

Adding to 3661413213 its reverse (3123141663), we get a palindrome (6784554876).

The spelling of 3661413213 in words is "three billion, six hundred sixty-one million, four hundred thirteen thousand, two hundred thirteen".