1349838989823 has 16 divisors (see below), whose sum is σ = 1905679872000. Its totient is φ = 846946763136.

The previous prime is 1349838989777. The next prime is 1349838989839. The reversal of 1349838989823 is 3289898389431.

It is not a de Polignac number, because 1349838989823 - 2¹² = 1349838985727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349838989623) 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 15 ways as a sum of consecutive naturals, for example, 5766928 + ... + 5996426.

It is an arithmetic number, because the mean of its divisors is an integer number (119104992000).

Almost surely, 2^{1349838989823} is an apocalyptic number.

1349838989823 is a deficient number, since it is larger than the sum of its proper divisors (555840882177).

1349838989823 is a wasteful number, since it uses less digits than its factorization.

1349838989823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344846.

The product of its digits is 644972544, while the sum is 75.

The spelling of 1349838989823 in words is "one trillion, three hundred forty-nine billion, eight hundred thirty-eight million, nine hundred eighty-nine thousand, eight hundred twenty-three".