47049931371 has 8 divisors (see below), whose sum is σ = 62993546704. Its totient is φ = 31236468480.

The previous prime is 47049931349. The next prime is 47049931373. The reversal of 47049931371 is 17313994074.

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

It is not a de Polignac number, because 47049931371 - 2⁵ = 47049931339 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 47049931371.

It is not an unprimeable number, because it can be changed into a prime (47049931373) 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, 32537266 + ... + 32538711.

It is an arithmetic number, because the mean of its divisors is an integer number (7874193338).

Almost surely, 2^47049931371 is an apocalyptic number.

47049931371 is a deficient number, since it is larger than the sum of its proper divisors (15943615333).

47049931371 is a wasteful number, since it uses less digits than its factorization.

47049931371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65076221.

The product of its (nonzero) digits is 571536, while the sum is 48.

The spelling of 47049931371 in words is "forty-seven billion, forty-nine million, nine hundred thirty-one thousand, three hundred seventy-one".