3694780663 has 48 divisors (see below), whose sum is σ = 4727808000. Its totient is φ = 2866026240.

The previous prime is 3694780657. The next prime is 3694780681. The reversal of 3694780663 is 3660874963.

It is not a de Polignac number, because 3694780663 - 2⁵ = 3694780631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3694780663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694880663) 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 47 ways as a sum of consecutive naturals, for example, 5138418 + ... + 5139136.

It is an arithmetic number, because the mean of its divisors is an integer number (98496000).

Almost surely, 2^3694780663 is an apocalyptic number.

3694780663 is a deficient number, since it is larger than the sum of its proper divisors (1033027337).

3694780663 is a wasteful number, since it uses less digits than its factorization.

3694780663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 52.

The square root of 3694780663 is about 60784.7074764698. The cubic root of 3694780663 is about 1545.9527661213.

The spelling of 3694780663 in words is "three billion, six hundred ninety-four million, seven hundred eighty thousand, six hundred sixty-three".