3681750628 has 6 divisors (see below), whose sum is σ = 6443063606. Its totient is φ = 1840875312.

The previous prime is 3681750563. The next prime is 3681750643. The reversal of 3681750628 is 8260571863.

It can be written as a sum of positive squares in only one way, i.e., 2735080804 + 946669824 = 52298^2 + 30768^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460218825 + ... + 460218832.

Almost surely, 2^3681750628 is an apocalyptic number.

It is an amenable number.

3681750628 is a deficient number, since it is larger than the sum of its proper divisors (2761312978).

3681750628 is a wasteful number, since it uses less digits than its factorization.

3681750628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920437661 (or 920437659 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 3681750628 is about 60677.4309607782. The cubic root of 3681750628 is about 1544.1333035909.

The spelling of 3681750628 in words is "three billion, six hundred eighty-one million, seven hundred fifty thousand, six hundred twenty-eight".