47715284789 has 2 divisors, whose sum is σ = 47715284790. Its totient is φ = 47715284788.

The previous prime is 47715284717. The next prime is 47715284807. The reversal of 47715284789 is 98748251774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46956723025 + 758561764 = 216695^2 + 27542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47715284789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47715284189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23857642394 + 23857642395.

It is an arithmetic number, because the mean of its divisors is an integer number (23857642395).

Almost surely, 2^47715284789 is an apocalyptic number.

It is an amenable number.

47715284789 is a deficient number, since it is larger than the sum of its proper divisors (1).

47715284789 is an equidigital number, since it uses as much as digits as its factorization.

47715284789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31610880, while the sum is 62.

The spelling of 47715284789 in words is "forty-seven billion, seven hundred fifteen million, two hundred eighty-four thousand, seven hundred eighty-nine".