10644664013294 has 4 divisors (see below), whose sum is σ = 15966996019944. Its totient is φ = 5322332006646.

The previous prime is 10644664013293. The next prime is 10644664013369. The reversal of 10644664013294 is 49231046644601.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10644664013294² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644664013293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2661166003322 + ... + 2661166003325.

It is an arithmetic number, because the mean of its divisors is an integer number (3991749004986).

Almost surely, 2^{10644664013294} is an apocalyptic number.

10644664013294 is a deficient number, since it is larger than the sum of its proper divisors (5322332006650).

10644664013294 is an equidigital number, since it uses as much as digits as its factorization.

10644664013294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322332006649.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 10644664013294 in words is "ten trillion, six hundred forty-four billion, six hundred sixty-four million, thirteen thousand, two hundred ninety-four".