47046509647 has 2 divisors, whose sum is σ = 47046509648. Its totient is φ = 47046509646.

The previous prime is 47046509623. The next prime is 47046509651. The reversal of 47046509647 is 74690564074.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47046509647 - 2¹⁹ = 47045985359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47046509594 and 47046509603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47046509347) 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, 23523254823 + 23523254824.

It is an arithmetic number, because the mean of its divisors is an integer number (23523254824).

Almost surely, 2^47046509647 is an apocalyptic number.

47046509647 is a deficient number, since it is larger than the sum of its proper divisors (1).

47046509647 is an equidigital number, since it uses as much as digits as its factorization.

47046509647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 47046509647 in words is "forty-seven billion, forty-six million, five hundred nine thousand, six hundred forty-seven".