47216176163021 has 2 divisors, whose sum is σ = 47216176163022. Its totient is φ = 47216176163020.

The previous prime is 47216176163011. The next prime is 47216176163041. The reversal of 47216176163021 is 12036167161274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37130559445225 + 10085616717796 = 6093485^2 + 3175786^2 .

It is a cyclic number.

It is not a de Polignac number, because 47216176163021 - 2²² = 47216171968717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47216176163011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23608088081510 + 23608088081511.

It is an arithmetic number, because the mean of its divisors is an integer number (23608088081511).

Almost surely, 2^{47216176163021} is an apocalyptic number.

It is an amenable number.

47216176163021 is a deficient number, since it is larger than the sum of its proper divisors (1).

47216176163021 is an equidigital number, since it uses as much as digits as its factorization.

47216176163021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 47216176163021 in words is "forty-seven trillion, two hundred sixteen billion, one hundred seventy-six million, one hundred sixty-three thousand, twenty-one".