10664021313343 has 4 divisors (see below), whose sum is σ = 10664252477608. Its totient is φ = 10663790149080.

The previous prime is 10664021313313. The next prime is 10664021313349. The reversal of 10664021313343 is 34331312046601.

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

It is a cyclic number.

It is not a de Polignac number, because 10664021313343 - 2²⁹ = 10663484442431 is a prime.

It is a super-2 number, since 2×10664021313343² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10664021313349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115512921 + ... + 115605202.

It is an arithmetic number, because the mean of its divisors is an integer number (2666063119402).

Almost surely, 2^{10664021313343} is an apocalyptic number.

10664021313343 is a deficient number, since it is larger than the sum of its proper divisors (231164265).

10664021313343 is an equidigital number, since it uses as much as digits as its factorization.

10664021313343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231164264.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 10664021313343 its reverse (34331312046601), we get a palindrome (44995333359944).

The spelling of 10664021313343 in words is "ten trillion, six hundred sixty-four billion, twenty-one million, three hundred thirteen thousand, three hundred forty-three".