64365803361 has 8 divisors (see below), whose sum is σ = 95356745760. Its totient is φ = 42910535556.

The previous prime is 64365803357. The next prime is 64365803377. The reversal of 64365803361 is 16330856346.

64365803361 is a `hidden beast` number, since 6 + 4 + 3 + 6 + 580 + 3 + 3 + 61 = 666.

64365803361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64365803361 - 2² = 64365803357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64365803261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191959295 + ... + 1191959348.

It is an arithmetic number, because the mean of its divisors is an integer number (11919593220).

Almost surely, 2^64365803361 is an apocalyptic number.

It is an amenable number.

64365803361 is a deficient number, since it is larger than the sum of its proper divisors (30990942399).

64365803361 is a wasteful number, since it uses less digits than its factorization.

64365803361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383918652 (or 2383918646 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 64365803361 in words is "sixty-four billion, three hundred sixty-five million, eight hundred three thousand, three hundred sixty-one".