1069489744423 has 4 divisors (see below), whose sum is σ = 1125778678360. Its totient is φ = 1013200810488.

The previous prime is 1069489744417. The next prime is 1069489744457. The reversal of 1069489744423 is 3244479849601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1069489744423 is a prime.

It is a super-2 number, since 2×1069489744423² (a number of 25 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 (1069489744523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28144466940 + ... + 28144466977.

It is an arithmetic number, because the mean of its divisors is an integer number (281444669590).

Almost surely, 2^{1069489744423} is an apocalyptic number.

1069489744423 is a deficient number, since it is larger than the sum of its proper divisors (56288933937).

1069489744423 is an equidigital number, since it uses as much as digits as its factorization.

1069489744423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56288933936.

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 1069489744423 in words is "one trillion, sixty-nine billion, four hundred eighty-nine million, seven hundred forty-four thousand, four hundred twenty-three".