9712922447 has 2 divisors, whose sum is σ = 9712922448. Its totient is φ = 9712922446.

The previous prime is 9712922441. The next prime is 9712922459. The reversal of 9712922447 is 7442292179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9712922447 - 2²⁴ = 9696145231 is a prime.

It is a super-2 number, since 2×9712922447² (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 (9712922441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4856461223 + 4856461224.

It is an arithmetic number, because the mean of its divisors is an integer number (4856461224).

Almost surely, 2^9712922447 is an apocalyptic number.

9712922447 is a deficient number, since it is larger than the sum of its proper divisors (1).

9712922447 is an equidigital number, since it uses as much as digits as its factorization.

9712922447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 9712922447 is about 98554.1599680095. The cubic root of 9712922447 is about 2133.6178713058.

The spelling of 9712922447 in words is "nine billion, seven hundred twelve million, nine hundred twenty-two thousand, four hundred forty-seven".