64473115332193 has 2 divisors, whose sum is σ = 64473115332194. Its totient is φ = 64473115332192.

The previous prime is 64473115332151. The next prime is 64473115332217. The reversal of 64473115332193 is 39123351137446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61319674553344 + 3153440778849 = 7830688^2 + 1775793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64473115332193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64473115332193.

It is not a weakly prime, because it can be changed into another prime (64473115332103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32236557666096 + 32236557666097.

It is an arithmetic number, because the mean of its divisors is an integer number (32236557666097).

Almost surely, 2^{64473115332193} is an apocalyptic number.

It is an amenable number.

64473115332193 is a deficient number, since it is larger than the sum of its proper divisors (1).

64473115332193 is an equidigital number, since it uses as much as digits as its factorization.

64473115332193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 52.

The spelling of 64473115332193 in words is "sixty-four trillion, four hundred seventy-three billion, one hundred fifteen million, three hundred thirty-two thousand, one hundred ninety-three".