3681494870 has 8 divisors (see below), whose sum is σ = 6626690784. Its totient is φ = 1472597944.

The previous prime is 3681494849. The next prime is 3681494881. The reversal of 3681494870 is 784941863.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184074734 + ... + 184074753.

It is an arithmetic number, because the mean of its divisors is an integer number (828336348).

Almost surely, 2^3681494870 is an apocalyptic number.

3681494870 is a deficient number, since it is larger than the sum of its proper divisors (2945195914).

3681494870 is a wasteful number, since it uses less digits than its factorization.

3681494870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368149494.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 3681494870 is about 60675.3234025168. The cubic root of 3681494870 is about 1544.0975476303.

The spelling of 3681494870 in words is "three billion, six hundred eighty-one million, four hundred ninety-four thousand, eight hundred seventy".