47538973633 has 4 divisors (see below), whose sum is σ = 47547335620. Its totient is φ = 47530611648.

The previous prime is 47538973627. The next prime is 47538973667. The reversal of 47538973633 is 33637983574.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19840694449 + 27698279184 = 140857^2 + 166428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47538973633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47538973613) 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, 4172460 + ... + 4183837.

It is an arithmetic number, because the mean of its divisors is an integer number (11886833905).

Almost surely, 2^47538973633 is an apocalyptic number.

It is an amenable number.

47538973633 is a deficient number, since it is larger than the sum of its proper divisors (8361987).

47538973633 is an equidigital number, since it uses as much as digits as its factorization.

47538973633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361986.

The product of its digits is 34292160, while the sum is 58.

The spelling of 47538973633 in words is "forty-seven billion, five hundred thirty-eight million, nine hundred seventy-three thousand, six hundred thirty-three".