47416773221 has 4 divisors (see below), whose sum is σ = 47503458912. Its totient is φ = 47330087532.

The previous prime is 47416773203. The next prime is 47416773301. The reversal of 47416773221 is 12237761474.

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 not a de Polignac number, because 47416773221 - 2³⁴ = 30236904037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47413773221) 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, 43342025 + ... + 43343118.

It is an arithmetic number, because the mean of its divisors is an integer number (11875864728).

Almost surely, 2^47416773221 is an apocalyptic number.

It is an amenable number.

47416773221 is a deficient number, since it is larger than the sum of its proper divisors (86685691).

47416773221 is an equidigital number, since it uses as much as digits as its factorization.

47416773221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86685690.

The product of its digits is 395136, while the sum is 44.

The spelling of 47416773221 in words is "forty-seven billion, four hundred sixteen million, seven hundred seventy-three thousand, two hundred twenty-one".