29040099000085 has 4 divisors (see below), whose sum is σ = 34848118800108. Its totient is φ = 23232079200064.

The previous prime is 29040099000043. The next prime is 29040099000113. The reversal of 29040099000085 is 58000099004092.

29040099000085 = T_4400006 + T_4400007 + T_4400008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19595301048964 + 9444797951121 = 4426658^2 + 3073239^2 .

It is a cyclic number.

It is not a de Polignac number, because 29040099000085 - 2¹¹ = 29040098998037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29040098999999 and 29040099000044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2904009900004 + ... + 2904009900013.

It is an arithmetic number, because the mean of its divisors is an integer number (8712029700027).

Almost surely, 2^{29040099000085} is an apocalyptic number.

29040099000085 is the 4400008-th centered triangular number.

It is an amenable number.

29040099000085 is a deficient number, since it is larger than the sum of its proper divisors (5808019800023).

29040099000085 is an equidigital number, since it uses as much as digits as its factorization.

29040099000085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808019800022.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 29040099000085 in words is "twenty-nine trillion, forty billion, ninety-nine million, eighty-five", and thus it is an aban number and an uban number.