47081121229 has 4 divisors (see below), whose sum is σ = 47145882784. Its totient is φ = 47016359676.

The previous prime is 47081121181. The next prime is 47081121299. The reversal of 47081121229 is 92212118074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47081121229 - 2⁹ = 47081120717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47081121299) 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 3 ways as a sum of consecutive naturals, for example, 32379687 + ... + 32381140.

It is an arithmetic number, because the mean of its divisors is an integer number (11786470696).

Almost surely, 2^47081121229 is an apocalyptic number.

It is an amenable number.

47081121229 is a deficient number, since it is larger than the sum of its proper divisors (64761555).

47081121229 is an equidigital number, since it uses as much as digits as its factorization.

47081121229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64761554.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 47081121229 in words is "forty-seven billion, eighty-one million, one hundred twenty-one thousand, two hundred twenty-nine".