47099113209 has 6 divisors (see below), whose sum is σ = 68032052426. Its totient is φ = 31399408800.

The previous prime is 47099113183. The next prime is 47099113231. The reversal of 47099113209 is 90231199074.

It can be written as a sum of positive squares in only one way, i.e., 47097680400 + 1432809 = 217020^2 + 1197^2 .

It is not a de Polignac number, because 47099113209 - 2⁷ = 47099113081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47099113279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2616617392 + ... + 2616617409.

Almost surely, 2^47099113209 is an apocalyptic number.

It is an amenable number.

47099113209 is a deficient number, since it is larger than the sum of its proper divisors (20932939217).

47099113209 is a wasteful number, since it uses less digits than its factorization.

47099113209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233234807 (or 5233234804 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 47099113209 in words is "forty-seven billion, ninety-nine million, one hundred thirteen thousand, two hundred nine".