47909931143 has 4 divisors (see below), whose sum is σ = 47910785520. Its totient is φ = 47909076768.

The previous prime is 47909931079. The next prime is 47909931149. The reversal of 47909931143 is 34113990974.

47909931143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47909931143 - 2⁶ = 47909931079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47909931091 and 47909931100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47909931149) 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, 336683 + ... + 457356.

It is an arithmetic number, because the mean of its divisors is an integer number (11977696380).

Almost surely, 2^47909931143 is an apocalyptic number.

47909931143 is a deficient number, since it is larger than the sum of its proper divisors (854377).

47909931143 is an equidigital number, since it uses as much as digits as its factorization.

47909931143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854376.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 47909931143 in words is "forty-seven billion, nine hundred nine million, nine hundred thirty-one thousand, one hundred forty-three".