47449011021 has 8 divisors (see below), whose sum is σ = 63748290144. Its totient is φ = 31391202960.

The previous prime is 47449011013. The next prime is 47449011041. The reversal of 47449011021 is 12011094474.

47449011021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 47449011021 - 2³ = 47449011013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47449011041) 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, 60367306 + ... + 60368091.

It is an arithmetic number, because the mean of its divisors is an integer number (7968536268).

Almost surely, 2^47449011021 is an apocalyptic number.

It is an amenable number.

47449011021 is a deficient number, since it is larger than the sum of its proper divisors (16299279123).

47449011021 is a wasteful number, since it uses less digits than its factorization.

47449011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120735531.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 47449011021 in words is "forty-seven billion, four hundred forty-nine million, eleven thousand, twenty-one".