129822733819 has 2 divisors, whose sum is σ = 129822733820. Its totient is φ = 129822733818.

The previous prime is 129822733811. The next prime is 129822733829. The reversal of 129822733819 is 918337228921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129822733819 - 2³ = 129822733811 is a prime.

It is a super-2 number, since 2×129822733819² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 129822733819.

It is not a weakly prime, because it can be changed into another prime (129822733811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64911366909 + 64911366910.

It is an arithmetic number, because the mean of its divisors is an integer number (64911366910).

Almost surely, 2^129822733819 is an apocalyptic number.

129822733819 is a deficient number, since it is larger than the sum of its proper divisors (1).

129822733819 is an equidigital number, since it uses as much as digits as its factorization.

129822733819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The spelling of 129822733819 in words is "one hundred twenty-nine billion, eight hundred twenty-two million, seven hundred thirty-three thousand, eight hundred nineteen".