7312328669 has 2 divisors, whose sum is σ = 7312328670. Its totient is φ = 7312328668.

The previous prime is 7312328603. The next prime is 7312328671. The reversal of 7312328669 is 9668232137.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4986195769 + 2326132900 = 70613^2 + 48230^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312328669 - 2¹² = 7312324573 is a prime.

It is a super-2 number, since 2×7312328669² (a number of 21 digits) contains 22 as substring.

Together with 7312328671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7312328689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656164334 + 3656164335.

It is an arithmetic number, because the mean of its divisors is an integer number (3656164335).

Almost surely, 2^7312328669 is an apocalyptic number.

It is an amenable number.

7312328669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312328669 is an equidigital number, since it uses as much as digits as its factorization.

7312328669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 7312328669 is about 85512.1550950507. The cubic root of 7312328669 is about 1940.9688600379.

The spelling of 7312328669 in words is "seven billion, three hundred twelve million, three hundred twenty-eight thousand, six hundred sixty-nine".