3661442413 has 16 divisors (see below), whose sum is σ = 3738657664. Its totient is φ = 3585254400.

The previous prime is 3661442383. The next prime is 3661442419. The reversal of 3661442413 is 3142441663.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3661442413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661442419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6693406 + ... + 6693952.

It is an arithmetic number, because the mean of its divisors is an integer number (233666104).

Almost surely, 2^3661442413 is an apocalyptic number.

It is an amenable number.

3661442413 is a deficient number, since it is larger than the sum of its proper divisors (77215251).

3661442413 is a wasteful number, since it uses less digits than its factorization.

3661442413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

The product of its digits is 41472, while the sum is 34.

The square root of 3661442413 is about 60509.8538504267. The cubic root of 3661442413 is about 1541.2889659635.

The spelling of 3661442413 in words is "three billion, six hundred sixty-one million, four hundred forty-two thousand, four hundred thirteen".