3785413663 has 4 divisors (see below), whose sum is σ = 3798885168. Its totient is φ = 3771942160.

The previous prime is 3785413657. The next prime is 3785413673. The reversal of 3785413663 is 3663145873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3785413663 - 2¹⁷ = 3785282591 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 (3785413603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6735331 + ... + 6735892.

It is an arithmetic number, because the mean of its divisors is an integer number (949721292).

Almost surely, 2^3785413663 is an apocalyptic number.

3785413663 is a deficient number, since it is larger than the sum of its proper divisors (13471505).

3785413663 is a wasteful number, since it uses less digits than its factorization.

3785413663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13471504.

The product of its digits is 1088640, while the sum is 46.

The square root of 3785413663 is about 61525.7154610981. The cubic root of 3785413663 is about 1558.4915375417.

The spelling of 3785413663 in words is "three billion, seven hundred eighty-five million, four hundred thirteen thousand, six hundred sixty-three".