47910221171 has 2 divisors, whose sum is σ = 47910221172. Its totient is φ = 47910221170.

The previous prime is 47910221119. The next prime is 47910221189. The reversal of 47910221171 is 17112201974.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47910221171 is a prime.

It is a super-2 number, since 2×47910221171² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47910221111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23955110585 + 23955110586.

It is an arithmetic number, because the mean of its divisors is an integer number (23955110586).

Almost surely, 2^47910221171 is an apocalyptic number.

47910221171 is a deficient number, since it is larger than the sum of its proper divisors (1).

47910221171 is an equidigital number, since it uses as much as digits as its factorization.

47910221171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 35.

The spelling of 47910221171 in words is "forty-seven billion, nine hundred ten million, two hundred twenty-one thousand, one hundred seventy-one".