64413360223 has 4 divisors (see below), whose sum is σ = 65189424888. Its totient is φ = 63637295560.

The previous prime is 64413360197. The next prime is 64413360229. The reversal of 64413360223 is 32206331446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64413360223 - 2¹⁷ = 64413229151 is a prime.

It is a super-3 number, since 3×64413360223³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64413360229) 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, 388032208 + ... + 388032373.

It is an arithmetic number, because the mean of its divisors is an integer number (16297356222).

Almost surely, 2^64413360223 is an apocalyptic number.

64413360223 is a deficient number, since it is larger than the sum of its proper divisors (776064665).

64413360223 is an equidigital number, since it uses as much as digits as its factorization.

64413360223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776064664.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 64413360223 its reverse (32206331446), we get a palindrome (96619691669).

The spelling of 64413360223 in words is "sixty-four billion, four hundred thirteen million, three hundred sixty thousand, two hundred twenty-three".