47830839909 has 4 divisors (see below), whose sum is σ = 63774453216. Its totient is φ = 31887226604.

The previous prime is 47830839893. The next prime is 47830839919. The reversal of 47830839909 is 90993803874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47830839909 - 2⁴ = 47830839893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47830839919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7971806649 + ... + 7971806654.

It is an arithmetic number, because the mean of its divisors is an integer number (15943613304).

Almost surely, 2^47830839909 is an apocalyptic number.

It is an amenable number.

47830839909 is a deficient number, since it is larger than the sum of its proper divisors (15943613307).

47830839909 is a wasteful number, since it uses less digits than its factorization.

47830839909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15943613306.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 47830839909 in words is "forty-seven billion, eight hundred thirty million, eight hundred thirty-nine thousand, nine hundred nine".