47339295721 has 2 divisors, whose sum is σ = 47339295722. Its totient is φ = 47339295720.

The previous prime is 47339295683. The next prime is 47339295791. The reversal of 47339295721 is 12759293374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40048014400 + 7291281321 = 200120^2 + 85389^2 .

It is a cyclic number.

It is not a de Polignac number, because 47339295721 - 2²⁷ = 47205077993 is a prime.

It is not a weakly prime, because it can be changed into another prime (47339295791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23669647860 + 23669647861.

It is an arithmetic number, because the mean of its divisors is an integer number (23669647861).

Almost surely, 2^47339295721 is an apocalyptic number.

It is an amenable number.

47339295721 is a deficient number, since it is larger than the sum of its proper divisors (1).

47339295721 is an equidigital number, since it uses as much as digits as its factorization.

47339295721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 52.

The spelling of 47339295721 in words is "forty-seven billion, three hundred thirty-nine million, two hundred ninety-five thousand, seven hundred twenty-one".