3530731994 has 8 divisors (see below), whose sum is σ = 5355604980. Its totient is φ = 1745530336.

The previous prime is 3530731969. The next prime is 3530732041. The reversal of 3530731994 is 4991370353.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2887450225 + 643281769 = 53735^2 + 25363^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 9917609 + ... + 9917964.

Almost surely, 2^3530731994 is an apocalyptic number.

3530731994 is a deficient number, since it is larger than the sum of its proper divisors (1824872986).

3530731994 is a wasteful number, since it uses less digits than its factorization.

3530731994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19835664.

The product of its (nonzero) digits is 306180, while the sum is 44.

The square root of 3530731994 is about 59419.9629249295. The cubic root of 3530731994 is about 1522.7253727554.

The spelling of 3530731994 in words is "three billion, five hundred thirty million, seven hundred thirty-one thousand, nine hundred ninety-four".