47975233939 has 4 divisors (see below), whose sum is σ = 47976712560. Its totient is φ = 47973755320.

The previous prime is 47975233907. The next prime is 47975233963. The reversal of 47975233939 is 93933257974.

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

It is a cyclic number.

It is not a de Polignac number, because 47975233939 - 2⁵ = 47975233907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47975233039) 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, 689524 + ... + 755905.

It is an arithmetic number, because the mean of its divisors is an integer number (11994178140).

Almost surely, 2^47975233939 is an apocalyptic number.

47975233939 is a deficient number, since it is larger than the sum of its proper divisors (1478621).

47975233939 is a wasteful number, since it uses less digits than its factorization.

47975233939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478620.

The product of its digits is 38578680, while the sum is 61.

The spelling of 47975233939 in words is "forty-seven billion, nine hundred seventy-five million, two hundred thirty-three thousand, nine hundred thirty-nine".