64045244206365 has 16 divisors (see below), whose sum is σ = 102766007904000. Its totient is φ = 34059591185472.

The previous prime is 64045244206313. The next prime is 64045244206381. The reversal of 64045244206365 is 56360244254046.

It is a happy number.

It is not a de Polignac number, because 64045244206365 - 2⁹ = 64045244205853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6117019045 + ... + 6117029514.

It is an arithmetic number, because the mean of its divisors is an integer number (6422875494000).

Almost surely, 2^{64045244206365} is an apocalyptic number.

It is an amenable number.

64045244206365 is a deficient number, since it is larger than the sum of its proper divisors (38720763697635).

64045244206365 is a wasteful number, since it uses less digits than its factorization.

64045244206365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12234048916.

The product of its (nonzero) digits is 16588800, while the sum is 51.

The spelling of 64045244206365 in words is "sixty-four trillion, forty-five billion, two hundred forty-four million, two hundred six thousand, three hundred sixty-five".