9969822437 has 2 divisors, whose sum is σ = 9969822438. Its totient is φ = 9969822436.

The previous prime is 9969822433. The next prime is 9969822439. The reversal of 9969822437 is 7342289699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6745172641 + 3224649796 = 82129^2 + 56786^2 .

It is an emirp because it is prime and its reverse (7342289699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9969822437 - 2² = 9969822433 is a prime.

Together with 9969822439, 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 (9969822433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4984911218 + 4984911219.

It is an arithmetic number, because the mean of its divisors is an integer number (4984911219).

Almost surely, 2^9969822437 is an apocalyptic number.

It is an amenable number.

9969822437 is a deficient number, since it is larger than the sum of its proper divisors (1).

9969822437 is an equidigital number, since it uses as much as digits as its factorization.

9969822437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 59.

The square root of 9969822437 is about 99848.9981772476. The cubic root of 9969822437 is about 2152.2653200700.

The spelling of 9969822437 in words is "nine billion, nine hundred sixty-nine million, eight hundred twenty-two thousand, four hundred thirty-seven".