47693884773221 has 4 divisors (see below), whose sum is σ = 47694108211200. Its totient is φ = 47693661335244.

The previous prime is 47693884773217. The next prime is 47693884773281. The reversal of 47693884773221 is 12237748839674.

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 47693884773221 - 2² = 47693884773217 is a prime.

It is a super-2 number, since 2×47693884773221² (a number of 28 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 (47693884773281) 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, 111398501 + ... + 111825818.

It is an arithmetic number, because the mean of its divisors is an integer number (11923527052800).

Almost surely, 2^{47693884773221} is an apocalyptic number.

It is an amenable number.

47693884773221 is a deficient number, since it is larger than the sum of its proper divisors (223437979).

47693884773221 is a wasteful number, since it uses less digits than its factorization.

47693884773221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223437978.

The product of its digits is 682795008, while the sum is 71.

The spelling of 47693884773221 in words is "forty-seven trillion, six hundred ninety-three billion, eight hundred eighty-four million, seven hundred seventy-three thousand, two hundred twenty-one".