47241175447 has 2 divisors, whose sum is σ = 47241175448. Its totient is φ = 47241175446.

The previous prime is 47241175417. The next prime is 47241175453. The reversal of 47241175447 is 74457114274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47241175447 is a prime.

It is a super-2 number, since 2×47241175447² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47241175397 and 47241175406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47241175417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23620587723 + 23620587724.

It is an arithmetic number, because the mean of its divisors is an integer number (23620587724).

Almost surely, 2^47241175447 is an apocalyptic number.

47241175447 is a deficient number, since it is larger than the sum of its proper divisors (1).

47241175447 is an equidigital number, since it uses as much as digits as its factorization.

47241175447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 878080, while the sum is 46.

The spelling of 47241175447 in words is "forty-seven billion, two hundred forty-one million, one hundred seventy-five thousand, four hundred forty-seven".