47139960291 has 4 divisors (see below), whose sum is σ = 62853280392. Its totient is φ = 31426640192.

The previous prime is 47139960269. The next prime is 47139960319. The reversal of 47139960291 is 19206993174.

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 47139960291 - 2¹⁰ = 47139959267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47139920291) 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, 7856660046 + ... + 7856660051.

It is an arithmetic number, because the mean of its divisors is an integer number (15713320098).

Almost surely, 2^47139960291 is an apocalyptic number.

47139960291 is a deficient number, since it is larger than the sum of its proper divisors (15713320101).

47139960291 is a wasteful number, since it uses less digits than its factorization.

47139960291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15713320100.

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 47139960291 in words is "forty-seven billion, one hundred thirty-nine million, nine hundred sixty thousand, two hundred ninety-one".