3204750989 has 4 divisors (see below), whose sum is σ = 3496092000. Its totient is φ = 2913409980.

The previous prime is 3204750979. The next prime is 3204751001. The reversal of 3204750989 is 9890574023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3204750989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204750929) by changing a digit.

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, 145670489 + ... + 145670510.

It is an arithmetic number, because the mean of its divisors is an integer number (874023000).

Almost surely, 2^3204750989 is an apocalyptic number.

It is an amenable number.

3204750989 is a deficient number, since it is larger than the sum of its proper divisors (291341011).

3204750989 is a wasteful number, since it uses less digits than its factorization.

3204750989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291341010.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 3204750989 is about 56610.5201265630. The cubic root of 3204750989 is about 1474.3415218822.

The spelling of 3204750989 in words is "three billion, two hundred four million, seven hundred fifty thousand, nine hundred eighty-nine".