47924426647 has 2 divisors, whose sum is σ = 47924426648. Its totient is φ = 47924426646.

The previous prime is 47924426609. The next prime is 47924426707. The reversal of 47924426647 is 74662442974.

47924426647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47924426647 - 2¹⁵ = 47924393879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47924426447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23962213323 + 23962213324.

It is an arithmetic number, because the mean of its divisors is an integer number (23962213324).

Almost surely, 2^47924426647 is an apocalyptic number.

47924426647 is a deficient number, since it is larger than the sum of its proper divisors (1).

47924426647 is an equidigital number, since it uses as much as digits as its factorization.

47924426647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 55.

The spelling of 47924426647 in words is "forty-seven billion, nine hundred twenty-four million, four hundred twenty-six thousand, six hundred forty-seven".