3298733921 has 4 divisors (see below), whose sum is σ = 3769981632. Its totient is φ = 2827486212.

The previous prime is 3298733917. The next prime is 3298733951. The reversal of 3298733921 is 1293378923.

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 not a de Polignac number, because 3298733921 - 2² = 3298733917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3298733951) 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, 235623845 + ... + 235623858.

It is an arithmetic number, because the mean of its divisors is an integer number (942495408).

Almost surely, 2^3298733921 is an apocalyptic number.

It is an amenable number.

3298733921 is a deficient number, since it is larger than the sum of its proper divisors (471247711).

3298733921 is an equidigital number, since it uses as much as digits as its factorization.

3298733921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471247710.

The product of its digits is 489888, while the sum is 47.

The square root of 3298733921 is about 57434.6056049835. The cubic root of 3298733921 is about 1488.6151300693.

The spelling of 3298733921 in words is "three billion, two hundred ninety-eight million, seven hundred thirty-three thousand, nine hundred twenty-one".