9999822029 has 2 divisors, whose sum is σ = 9999822030. Its totient is φ = 9999822028.

The previous prime is 9999822023. The next prime is 9999822061. The reversal of 9999822029 is 9202289999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8349025129 + 1650796900 = 91373^2 + 40630^2 .

It is a cyclic number.

It is not a de Polignac number, because 9999822029 - 2⁴ = 9999822013 is a prime.

It is a super-2 number, since 2×9999822029² (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 (9999822023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999911014 + 4999911015.

It is an arithmetic number, because the mean of its divisors is an integer number (4999911015).

Almost surely, 2^9999822029 is an apocalyptic number.

It is an amenable number.

9999822029 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999822029 is an equidigital number, since it uses as much as digits as its factorization.

9999822029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 59.

The square root of 9999822029 is about 99999.1101410408. The cubic root of 9999822029 is about 2154.4219090595.

The spelling of 9999822029 in words is "nine billion, nine hundred ninety-nine million, eight hundred twenty-two thousand, twenty-nine".