4947336215281 has 2 divisors, whose sum is σ = 4947336215282. Its totient is φ = 4947336215280.

The previous prime is 4947336215257. The next prime is 4947336215287. The reversal of 4947336215281 is 1825126337494.

4947336215281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4017683501056 + 929652714225 = 2004416^2 + 964185^2 .

It is a cyclic number.

It is not a de Polignac number, because 4947336215281 - 2¹³ = 4947336207089 is a prime.

It is a super-2 number, since 2×4947336215281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4947336215287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2473668107640 + 2473668107641.

It is an arithmetic number, because the mean of its divisors is an integer number (2473668107641).

Almost surely, 2^{4947336215281} is an apocalyptic number.

It is an amenable number.

4947336215281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4947336215281 is an equidigital number, since it uses as much as digits as its factorization.

4947336215281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 55.

The spelling of 4947336215281 in words is "four trillion, nine hundred forty-seven billion, three hundred thirty-six million, two hundred fifteen thousand, two hundred eighty-one".