64441270407 has 8 divisors (see below), whose sum is σ = 85955491584. Its totient is φ = 42943948088.

The previous prime is 64441270403. The next prime is 64441270427. The reversal of 64441270407 is 70407214446.

It is a happy number.

64441270407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 64441270407 - 2² = 64441270403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64441270403) 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, 4215813 + ... + 4231070.

It is an arithmetic number, because the mean of its divisors is an integer number (10744436448).

Almost surely, 2^64441270407 is an apocalyptic number.

64441270407 is a deficient number, since it is larger than the sum of its proper divisors (21514221177).

64441270407 is a wasteful number, since it uses less digits than its factorization.

64441270407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8449429.

The product of its (nonzero) digits is 150528, while the sum is 39.

The spelling of 64441270407 in words is "sixty-four billion, four hundred forty-one million, two hundred seventy thousand, four hundred seven".