3216452189 has 2 divisors, whose sum is σ = 3216452190. Its totient is φ = 3216452188.

The previous prime is 3216452177. The next prime is 3216452279. The reversal of 3216452189 is 9812546123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2739684964 + 476767225 = 52342^2 + 21835^2 .

It is a cyclic number.

It is not a de Polignac number, because 3216452189 - 2⁸ = 3216451933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3216482189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608226094 + 1608226095.

It is an arithmetic number, because the mean of its divisors is an integer number (1608226095).

Almost surely, 2^3216452189 is an apocalyptic number.

It is an amenable number.

3216452189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3216452189 is an equidigital number, since it uses as much as digits as its factorization.

3216452189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 3216452189 is about 56713.7742440053. The cubic root of 3216452189 is about 1476.1337163702.

The spelling of 3216452189 in words is "three billion, two hundred sixteen million, four hundred fifty-two thousand, one hundred eighty-nine".