47439890033 has 8 divisors (see below), whose sum is σ = 49216377000. Its totient is φ = 45672778368.

The previous prime is 47439890021. The next prime is 47439890063. The reversal of 47439890033 is 33009893474.

It can be written as a sum of positive squares in 4 ways, for example, as 24870236209 + 22569653824 = 157703^2 + 150232^2 .

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

It is not a de Polignac number, because 47439890033 - 2³⁰ = 46366148209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47439890063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2333516 + ... + 2353757.

It is an arithmetic number, because the mean of its divisors is an integer number (6152047125).

Almost surely, 2^47439890033 is an apocalyptic number.

It is an amenable number.

47439890033 is a deficient number, since it is larger than the sum of its proper divisors (1776486967).

47439890033 is a wasteful number, since it uses less digits than its factorization.

47439890033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687651.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 47439890033 in words is "forty-seven billion, four hundred thirty-nine million, eight hundred ninety thousand, thirty-three".