99819029 has 2 divisors, whose sum is σ = 99819030. Its totient is φ = 99819028.

The previous prime is 99819017. The next prime is 99819043. The reversal of 99819029 is 92091899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52896529 + 46922500 = 7273^2 + 6850^2 .

It is a cyclic number.

It is not a de Polignac number, because 99819029 - 2⁸ = 99818773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99819089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49909514 + 49909515.

It is an arithmetic number, because the mean of its divisors is an integer number (49909515).

Almost surely, 2^99819029 is an apocalyptic number.

It is an amenable number.

99819029 is a deficient number, since it is larger than the sum of its proper divisors (1).

99819029 is an equidigital number, since it uses as much as digits as its factorization.

99819029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 47.

The square root of 99819029 is about 9990.9473524786. The cubic root of 99819029 is about 463.8787166288.

The spelling of 99819029 in words is "ninety-nine million, eight hundred nineteen thousand, twenty-nine".