64536524047 has 2 divisors, whose sum is σ = 64536524048. Its totient is φ = 64536524046.

The previous prime is 64536524033. The next prime is 64536524077. The reversal of 64536524047 is 74042563546.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64536524047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64536523988 and 64536524006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64536524077) 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, 32268262023 + 32268262024.

It is an arithmetic number, because the mean of its divisors is an integer number (32268262024).

Almost surely, 2^64536524047 is an apocalyptic number.

64536524047 is a deficient number, since it is larger than the sum of its proper divisors (1).

64536524047 is an equidigital number, since it uses as much as digits as its factorization.

64536524047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 64536524047 in words is "sixty-four billion, five hundred thirty-six million, five hundred twenty-four thousand, forty-seven".