47109304321 has 2 divisors, whose sum is σ = 47109304322. Its totient is φ = 47109304320.

The previous prime is 47109304259. The next prime is 47109304339. The reversal of 47109304321 is 12340390174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25489719025 + 21619585296 = 159655^2 + 147036^2 .

It is a cyclic number.

It is not a de Polignac number, because 47109304321 - 2¹⁵ = 47109271553 is a prime.

It is not a weakly prime, because it can be changed into another prime (47109304621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23554652160 + 23554652161.

It is an arithmetic number, because the mean of its divisors is an integer number (23554652161).

Almost surely, 2^47109304321 is an apocalyptic number.

It is an amenable number.

47109304321 is a deficient number, since it is larger than the sum of its proper divisors (1).

47109304321 is an equidigital number, since it uses as much as digits as its factorization.

47109304321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 47109304321 its reverse (12340390174), we get a palindrome (59449694495).

The spelling of 47109304321 in words is "forty-seven billion, one hundred nine million, three hundred four thousand, three hundred twenty-one".