3122289389 has 2 divisors, whose sum is σ = 3122289390. Its totient is φ = 3122289388.

The previous prime is 3122289349. The next prime is 3122289409. The reversal of 3122289389 is 9839822213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2160669289 + 961620100 = 46483^2 + 31010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3122289389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3122289329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561144694 + 1561144695.

It is an arithmetic number, because the mean of its divisors is an integer number (1561144695).

Almost surely, 2^3122289389 is an apocalyptic number.

It is an amenable number.

3122289389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122289389 is an equidigital number, since it uses as much as digits as its factorization.

3122289389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 47.

The square root of 3122289389 is about 55877.4497360071. The cubic root of 3122289389 is about 1461.5860335132.

The spelling of 3122289389 in words is "three billion, one hundred twenty-two million, two hundred eighty-nine thousand, three hundred eighty-nine".