64695217445153 has 2 divisors, whose sum is σ = 64695217445154. Its totient is φ = 64695217445152.

The previous prime is 64695217445147. The next prime is 64695217445171. The reversal of 64695217445153 is 35154471259646.

64695217445153 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 can be written as a sum of positive squares in only one way, i.e., 64420255645729 + 274961799424 = 8026223^2 + 524368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64695217445153 is a prime.

It is not a weakly prime, because it can be changed into another prime (64695217435153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32347608722576 + 32347608722577.

It is an arithmetic number, because the mean of its divisors is an integer number (32347608722577).

Almost surely, 2^{64695217445153} is an apocalyptic number.

It is an amenable number.

64695217445153 is a deficient number, since it is larger than the sum of its proper divisors (1).

64695217445153 is an equidigital number, since it uses as much as digits as its factorization.

64695217445153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864000, while the sum is 62.

The spelling of 64695217445153 in words is "sixty-four trillion, six hundred ninety-five billion, two hundred seventeen million, four hundred forty-five thousand, one hundred fifty-three".