7312322669 has 2 divisors, whose sum is σ = 7312322670. Its totient is φ = 7312322668.

The previous prime is 7312322627. The next prime is 7312322683. The reversal of 7312322669 is 9662232137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5664368644 + 1647954025 = 75262^2 + 40595^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312322669 - 2²⁰ = 7311274093 is a prime.

It is a super-2 number, since 2×7312322669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7312328669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656161334 + 3656161335.

It is an arithmetic number, because the mean of its divisors is an integer number (3656161335).

Almost surely, 2^7312322669 is an apocalyptic number.

It is an amenable number.

7312322669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312322669 is an equidigital number, since it uses as much as digits as its factorization.

7312322669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 7312322669 is about 85512.1200123117. The cubic root of 7312322669 is about 1940.9683291621.

The spelling of 7312322669 in words is "seven billion, three hundred twelve million, three hundred twenty-two thousand, six hundred sixty-nine".