47349857139 has 8 divisors (see below), whose sum is σ = 67989538512. Its totient is φ = 29138373600.

The previous prime is 47349857111. The next prime is 47349857141. The reversal of 47349857139 is 93175894374.

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

It is not a de Polignac number, because 47349857139 - 2¹⁹ = 47349332851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47349857239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607049412 + ... + 607049489.

It is an arithmetic number, because the mean of its divisors is an integer number (8498692314).

Almost surely, 2^47349857139 is an apocalyptic number.

47349857139 is a deficient number, since it is larger than the sum of its proper divisors (20639681373).

47349857139 is a wasteful number, since it uses less digits than its factorization.

47349857139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214098917.

The product of its digits is 22861440, while the sum is 60.

The spelling of 47349857139 in words is "forty-seven billion, three hundred forty-nine million, eight hundred fifty-seven thousand, one hundred thirty-nine".