3705613613 has 16 divisors (see below), whose sum is σ = 4128768000. Its totient is φ = 3302691840.

The previous prime is 3705613609. The next prime is 3705613627. The reversal of 3705613613 is 3163165073.

It is a cyclic number.

It is not a de Polignac number, because 3705613613 - 2² = 3705613609 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 (3705613673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170708 + ... + 191186.

It is an arithmetic number, because the mean of its divisors is an integer number (258048000).

Almost surely, 2^3705613613 is an apocalyptic number.

It is an amenable number.

3705613613 is a deficient number, since it is larger than the sum of its proper divisors (423154387).

3705613613 is a wasteful number, since it uses less digits than its factorization.

3705613613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20972.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 3705613613 is about 60873.7514286741. The cubic root of 3705613613 is about 1547.4621825792.

Adding to 3705613613 its reverse (3163165073), we get a palindrome (6868778686).

The spelling of 3705613613 in words is "three billion, seven hundred five million, six hundred thirteen thousand, six hundred thirteen".