47287447573 has 4 divisors (see below), whose sum is σ = 47288350720. Its totient is φ = 47286544428.

The previous prime is 47287447549. The next prime is 47287447579. The reversal of 47287447573 is 37574478274.

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 a de Polignac number, because none of the positive numbers 2^k-47287447573 is a prime.

It is a super-2 number, since 2×47287447573² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47287447579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367863 + ... + 479476.

It is an arithmetic number, because the mean of its divisors is an integer number (11822087680).

Almost surely, 2^47287447573 is an apocalyptic number.

It is an amenable number.

47287447573 is a deficient number, since it is larger than the sum of its proper divisors (903147).

47287447573 is an equidigital number, since it uses as much as digits as its factorization.

47287447573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903146.

The product of its digits is 36879360, while the sum is 58.

The spelling of 47287447573 in words is "forty-seven billion, two hundred eighty-seven million, four hundred forty-seven thousand, five hundred seventy-three".