3933449992 has 16 divisors (see below), whose sum is σ = 7400394540. Its totient is φ = 1960011456.

The previous prime is 3933449981. The next prime is 3933450011. The reversal of 3933449992 is 2999443393.

It can be written as a sum of positive squares in 2 ways, for example, as 3619947556 + 313502436 = 60166^2 + 17706^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 836703 + ... + 841390.

Almost surely, 2^3933449992 is an apocalyptic number.

It is an amenable number.

3933449992 is a deficient number, since it is larger than the sum of its proper divisors (3466944548).

3933449992 is a wasteful number, since it uses less digits than its factorization.

3933449992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678392 (or 1678388 counting only the distinct ones).

The product of its digits is 5668704, while the sum is 55.

The square root of 3933449992 is about 62717.2224512534. Note that the first 3 decimals coincide. The cubic root of 3933449992 is about 1578.5483103629.

The spelling of 3933449992 in words is "three billion, nine hundred thirty-three million, four hundred forty-nine thousand, nine hundred ninety-two".