64350522289 has 4 divisors (see below), whose sum is σ = 64440023040. Its totient is φ = 64261021540.

The previous prime is 64350522287. The next prime is 64350522311. The reversal of 64350522289 is 98222505346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64350522289 - 2¹ = 64350522287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64350522287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44749297 + ... + 44750734.

It is an arithmetic number, because the mean of its divisors is an integer number (16110005760).

Almost surely, 2^64350522289 is an apocalyptic number.

It is an amenable number.

64350522289 is a deficient number, since it is larger than the sum of its proper divisors (89500751).

64350522289 is an equidigital number, since it uses as much as digits as its factorization.

64350522289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89500750.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 64350522289 in words is "sixty-four billion, three hundred fifty million, five hundred twenty-two thousand, two hundred eighty-nine".