3320121989 has 4 divisors (see below), whose sum is σ = 3320466240. Its totient is φ = 3319777740.

The previous prime is 3320121943. The next prime is 3320121991. The reversal of 3320121989 is 9891210233.

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-3320121989 is a prime.

It is a super-2 number, since 2×3320121989² = 22046420043682632242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320124989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157229 + ... + 177090.

It is an arithmetic number, because the mean of its divisors is an integer number (830116560).

Almost surely, 2^3320121989 is an apocalyptic number.

It is an amenable number.

3320121989 is a deficient number, since it is larger than the sum of its proper divisors (344251).

3320121989 is an equidigital number, since it uses as much as digits as its factorization.

3320121989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344250.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 3320121989 is about 57620.4997288291. The cubic root of 3320121989 is about 1491.8254564472.

The spelling of 3320121989 in words is "three billion, three hundred twenty million, one hundred twenty-one thousand, nine hundred eighty-nine".