129822831797 has 2 divisors, whose sum is σ = 129822831798. Its totient is φ = 129822831796.

The previous prime is 129822831769. The next prime is 129822831821. The reversal of 129822831797 is 797138228921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87489357796 + 42333474001 = 295786^2 + 205751^2 .

It is a cyclic number.

It is not a de Polignac number, because 129822831797 - 2¹⁶ = 129822766261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129822831707) 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, 64911415898 + 64911415899.

It is an arithmetic number, because the mean of its divisors is an integer number (64911415899).

Almost surely, 2^129822831797 is an apocalyptic number.

It is an amenable number.

129822831797 is a deficient number, since it is larger than the sum of its proper divisors (1).

129822831797 is an equidigital number, since it uses as much as digits as its factorization.

129822831797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 59.

The spelling of 129822831797 in words is "one hundred twenty-nine billion, eight hundred twenty-two million, eight hundred thirty-one thousand, seven hundred ninety-seven".