10673243261993 has 4 divisors (see below), whose sum is σ = 11494261974468. Its totient is φ = 9852224549520.

The previous prime is 10673243261957. The next prime is 10673243261999. The reversal of 10673243261993 is 39916234237601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3172858687504 + 7500384574489 = 1781252^2 + 2738683^2 .

It is a cyclic number.

It is not a de Polignac number, because 10673243261993 - 2¹⁶ = 10673243196457 is a prime.

It is a super-2 number, since 2×10673243261993² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10673243261999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410509356218 + ... + 410509356243.

It is an arithmetic number, because the mean of its divisors is an integer number (2873565493617).

Almost surely, 2^{10673243261993} is an apocalyptic number.

10673243261993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10673243261993 is a deficient number, since it is larger than the sum of its proper divisors (821018712475).

10673243261993 is an equidigital number, since it uses as much as digits as its factorization.

10673243261993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821018712474.

The product of its (nonzero) digits is 8817984, while the sum is 56.

Adding to 10673243261993 its sum of digits (56), we get a square (10673243262049 = 3266993²).

The spelling of 10673243261993 in words is "ten trillion, six hundred seventy-three billion, two hundred forty-three million, two hundred sixty-one thousand, nine hundred ninety-three".