47975915321 has 2 divisors, whose sum is σ = 47975915322. Its totient is φ = 47975915320.

The previous prime is 47975915311. The next prime is 47975915333. The reversal of 47975915321 is 12351957974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32974564921 + 15001350400 = 181589^2 + 122480^2 .

It is a cyclic number.

It is not a de Polignac number, because 47975915321 - 2¹⁰ = 47975914297 is a prime.

It is not a weakly prime, because it can be changed into another prime (47975915311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23987957660 + 23987957661.

It is an arithmetic number, because the mean of its divisors is an integer number (23987957661).

Almost surely, 2^47975915321 is an apocalyptic number.

It is an amenable number.

47975915321 is a deficient number, since it is larger than the sum of its proper divisors (1).

47975915321 is an equidigital number, since it uses as much as digits as its factorization.

47975915321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2381400, while the sum is 53.

The spelling of 47975915321 in words is "forty-seven billion, nine hundred seventy-five million, nine hundred fifteen thousand, three hundred twenty-one".