29305522254889 has 4 divisors (see below), whose sum is σ = 29305607196420. Its totient is φ = 29305437313360.

The previous prime is 29305522254857. The next prime is 29305522254919. The reversal of 29305522254889 is 98845222550392.

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 21931500539664 + 7374021715225 = 4683108^2 + 2715515^2 .

It is a cyclic number.

It is not a de Polignac number, because 29305522254889 - 2⁵ = 29305522254857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29305522254889.

It is not an unprimeable number, because it can be changed into a prime (29305522254289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41951134 + ... + 42643975.

It is an arithmetic number, because the mean of its divisors is an integer number (7326401799105).

Almost surely, 2^{29305522254889} is an apocalyptic number.

It is an amenable number.

29305522254889 is a deficient number, since it is larger than the sum of its proper divisors (84941531).

29305522254889 is an equidigital number, since it uses as much as digits as its factorization.

29305522254889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84941530.

The product of its (nonzero) digits is 124416000, while the sum is 64.

The spelling of 29305522254889 in words is "twenty-nine trillion, three hundred five billion, five hundred twenty-two million, two hundred fifty-four thousand, eight hundred eighty-nine".