10644306656239 has 8 divisors (see below), whose sum is σ = 10685788784000. Its totient is φ = 10602902872152.

The previous prime is 10644306656209. The next prime is 10644306656293. The reversal of 10644306656239 is 93265660344601.

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 10644306656239 - 2⁷ = 10644306656111 is a prime.

It is a super-3 number, since 3×10644306656239³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10644306656239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644306656209) 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, 19313649 + ... + 19857130.

It is an arithmetic number, because the mean of its divisors is an integer number (1335723598000).

Almost surely, 2^{10644306656239} is an apocalyptic number.

10644306656239 is a deficient number, since it is larger than the sum of its proper divisors (41482127761).

10644306656239 is an equidigital number, since it uses as much as digits as its factorization.

10644306656239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39171837.

The product of its (nonzero) digits is 16796160, while the sum is 55.

The spelling of 10644306656239 in words is "ten trillion, six hundred forty-four billion, three hundred six million, six hundred fifty-six thousand, two hundred thirty-nine".