847471006541 has 2 divisors, whose sum is σ = 847471006542. Its totient is φ = 847471006540.

The previous prime is 847471006507. The next prime is 847471006559. The reversal of 847471006541 is 145600174748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 783641005225 + 63830001316 = 885235^2 + 252646^2 .

It is a cyclic number.

It is not a de Polignac number, because 847471006541 - 2¹⁸ = 847470744397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (847471006561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423735503270 + 423735503271.

It is an arithmetic number, because the mean of its divisors is an integer number (423735503271).

Almost surely, 2^847471006541 is an apocalyptic number.

It is an amenable number.

847471006541 is a deficient number, since it is larger than the sum of its proper divisors (1).

847471006541 is an equidigital number, since it uses as much as digits as its factorization.

847471006541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 847471006541 in words is "eight hundred forty-seven billion, four hundred seventy-one million, six thousand, five hundred forty-one".