47410447681 has 2 divisors, whose sum is σ = 47410447682. Its totient is φ = 47410447680.

The previous prime is 47410447619. The next prime is 47410447691. The reversal of 47410447681 is 18674401474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47342797056 + 67650625 = 217584^2 + 8225^2 .

It is a cyclic number.

It is not a de Polignac number, because 47410447681 - 2¹⁷ = 47410316609 is a prime.

It is a super-2 number, since 2×47410447681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47410447691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23705223840 + 23705223841.

It is an arithmetic number, because the mean of its divisors is an integer number (23705223841).

Almost surely, 2^47410447681 is an apocalyptic number.

It is an amenable number.

47410447681 is a deficient number, since it is larger than the sum of its proper divisors (1).

47410447681 is an equidigital number, since it uses as much as digits as its factorization.

47410447681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 47410447681 in words is "forty-seven billion, four hundred ten million, four hundred forty-seven thousand, six hundred eighty-one".