899429791089 has 8 divisors (see below), whose sum is σ = 1203569107840. Its totient is φ = 597455167536.

The previous prime is 899429791079. The next prime is 899429791097. The reversal of 899429791089 is 980197924998.

899429791089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 899429791089 - 2²¹ = 899427693937 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 899429791089.

It is not an unprimeable number, because it can be changed into a prime (899429791069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541172329 + ... + 541173990.

It is an arithmetic number, because the mean of its divisors is an integer number (150446138480).

Almost surely, 2^899429791089 is an apocalyptic number.

It is an amenable number.

899429791089 is a deficient number, since it is larger than the sum of its proper divisors (304139316751).

899429791089 is a wasteful number, since it uses less digits than its factorization.

899429791089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082346599.

The product of its (nonzero) digits is 211631616, while the sum is 75.

The spelling of 899429791089 in words is "eight hundred ninety-nine billion, four hundred twenty-nine million, seven hundred ninety-one thousand, eighty-nine".