64044249067 has 8 divisors (see below), whose sum is σ = 65275971552. Its totient is φ = 62821684800.

The previous prime is 64044249011. The next prime is 64044249077. The reversal of 64044249067 is 76094244046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64044249067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64044249077) 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, 2275434 + ... + 2303407.

It is an arithmetic number, because the mean of its divisors is an integer number (8159496444).

Almost surely, 2^64044249067 is an apocalyptic number.

64044249067 is a deficient number, since it is larger than the sum of its proper divisors (1231722485).

64044249067 is a wasteful number, since it uses less digits than its factorization.

64044249067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579109.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 64044249067 in words is "sixty-four billion, forty-four million, two hundred forty-nine thousand, sixty-seven".