47221417505 has 8 divisors (see below), whose sum is σ = 56678039232. Its totient is φ = 37768908528.

The previous prime is 47221417471. The next prime is 47221417511. The reversal of 47221417505 is 50571412274.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47221417505 - 2⁸ = 47221417249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002869 + ... + 1048898.

It is an arithmetic number, because the mean of its divisors is an integer number (7084754904).

Almost surely, 2^47221417505 is an apocalyptic number.

It is an amenable number.

47221417505 is a deficient number, since it is larger than the sum of its proper divisors (9456621727).

47221417505 is a wasteful number, since it uses less digits than its factorization.

47221417505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056375.

The product of its (nonzero) digits is 78400, while the sum is 38.

Adding to 47221417505 its reverse (50571412274), we get a palindrome (97792829779).

The spelling of 47221417505 in words is "forty-seven billion, two hundred twenty-one million, four hundred seventeen thousand, five hundred five".