444640713313633 has 8 divisors (see below), whose sum is σ = 447393470069952. Its totient is φ = 441889030813776.

The previous prime is 444640713313597. The next prime is 444640713313711. The reversal of 444640713313633 is 336313317046444.

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-444640713313633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444640713313133) 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, 267733735 + ... + 269389372.

It is an arithmetic number, because the mean of its divisors is an integer number (55924183758744).

Almost surely, 2^{444640713313633} is an apocalyptic number.

It is an amenable number.

444640713313633 is a deficient number, since it is larger than the sum of its proper divisors (2752756756319).

444640713313633 is a wasteful number, since it uses less digits than its factorization.

444640713313633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537128231.

The product of its (nonzero) digits is 15676416, while the sum is 52.

The spelling of 444640713313633 in words is "four hundred forty-four trillion, six hundred forty billion, seven hundred thirteen million, three hundred thirteen thousand, six hundred thirty-three".