64104431134543 has 2 divisors, whose sum is σ = 64104431134544. Its totient is φ = 64104431134542.

The previous prime is 64104431134501. The next prime is 64104431134561. The reversal of 64104431134543 is 34543113440146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64104431134543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64104431134543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64104431114543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32052215567271 + 32052215567272.

It is an arithmetic number, because the mean of its divisors is an integer number (32052215567272).

Almost surely, 2^{64104431134543} is an apocalyptic number.

64104431134543 is a deficient number, since it is larger than the sum of its proper divisors (1).

64104431134543 is an equidigital number, since it uses as much as digits as its factorization.

64104431134543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 64104431134543 its reverse (34543113440146), we get a palindrome (98647544574689).

The spelling of 64104431134543 in words is "sixty-four trillion, one hundred four billion, four hundred thirty-one million, one hundred thirty-four thousand, five hundred forty-three".