64448613383 has 16 divisors (see below), whose sum is σ = 81147087360. Its totient is φ = 49722468000.

The previous prime is 64448613331. The next prime is 64448613443. The reversal of 64448613383 is 38331684446.

64448613383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64448613383 - 2⁶ = 64448613319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64448313383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4135763 + ... + 4151316.

It is an arithmetic number, because the mean of its divisors is an integer number (5071692960).

Almost surely, 2^64448613383 is an apocalyptic number.

64448613383 is a deficient number, since it is larger than the sum of its proper divisors (16698473977).

64448613383 is a wasteful number, since it uses less digits than its factorization.

64448613383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8287198.

The product of its digits is 3981312, while the sum is 50.

The spelling of 64448613383 in words is "sixty-four billion, four hundred forty-eight million, six hundred thirteen thousand, three hundred eighty-three".