8321122969 has 2 divisors, whose sum is σ = 8321122970. Its totient is φ = 8321122968.

The previous prime is 8321122967. The next prime is 8321123023. The reversal of 8321122969 is 9692211238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6595551369 + 1725571600 = 81213^2 + 41540^2 .

It is a cyclic number.

It is not a de Polignac number, because 8321122969 - 2¹ = 8321122967 is a prime.

It is a super-2 number, since 2×8321122969² (a number of 21 digits) contains 22 as substring.

Together with 8321122967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8321122961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4160561484 + 4160561485.

It is an arithmetic number, because the mean of its divisors is an integer number (4160561485).

Almost surely, 2^8321122969 is an apocalyptic number.

It is an amenable number.

8321122969 is a deficient number, since it is larger than the sum of its proper divisors (1).

8321122969 is an equidigital number, since it uses as much as digits as its factorization.

8321122969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 43.

The square root of 8321122969 is about 91220.1894812766. The cubic root of 8321122969 is about 2026.4099691322.

The spelling of 8321122969 in words is "eight billion, three hundred twenty-one million, one hundred twenty-two thousand, nine hundred sixty-nine".