3212454389 has 4 divisors (see below), whose sum is σ = 3213312300. Its totient is φ = 3211596480.

The previous prime is 3212454383. The next prime is 3212454451. The reversal of 3212454389 is 9834542123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 421973764 + 2790480625 = 20542^2 + 52825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3212454389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212454383) 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, 423314 + ... + 430835.

It is an arithmetic number, because the mean of its divisors is an integer number (803328075).

Almost surely, 2^3212454389 is an apocalyptic number.

It is an amenable number.

3212454389 is a deficient number, since it is larger than the sum of its proper divisors (857911).

3212454389 is an equidigital number, since it uses as much as digits as its factorization.

3212454389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857910.

The product of its digits is 207360, while the sum is 41.

The square root of 3212454389 is about 56678.5178793518. The cubic root of 3212454389 is about 1475.5218896678.

The spelling of 3212454389 in words is "three billion, two hundred twelve million, four hundred fifty-four thousand, three hundred eighty-nine".