99469729 has 2 divisors, whose sum is σ = 99469730. Its totient is φ = 99469728.

The previous prime is 99469723. The next prime is 99469751. The reversal of 99469729 is 92796499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90155025 + 9314704 = 9495^2 + 3052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99469729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99469729.

It is not a weakly prime, because it can be changed into another prime (99469723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49734864 + 49734865.

It is an arithmetic number, because the mean of its divisors is an integer number (49734865).

Almost surely, 2^99469729 is an apocalyptic number.

It is an amenable number.

99469729 is a deficient number, since it is larger than the sum of its proper divisors (1).

99469729 is an equidigital number, since it uses as much as digits as its factorization.

99469729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 55.

The square root of 99469729 is about 9973.4512080824. The cubic root of 99469729 is about 463.3369955832.

The spelling of 99469729 in words is "ninety-nine million, four hundred sixty-nine thousand, seven hundred twenty-nine".