64503966643183 has 2 divisors, whose sum is σ = 64503966643184. Its totient is φ = 64503966643182.

The previous prime is 64503966643091. The next prime is 64503966643217. The reversal of 64503966643183 is 38134666930546.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64503966643183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64503966643583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32251983321591 + 32251983321592.

It is an arithmetic number, because the mean of its divisors is an integer number (32251983321592).

Almost surely, 2^{64503966643183} is an apocalyptic number.

64503966643183 is a deficient number, since it is larger than the sum of its proper divisors (1).

64503966643183 is an equidigital number, since it uses as much as digits as its factorization.

64503966643183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201553920, while the sum is 64.

The spelling of 64503966643183 in words is "sixty-four trillion, five hundred three billion, nine hundred sixty-six million, six hundred forty-three thousand, one hundred eighty-three".