1485933823849 has 4 divisors (see below), whose sum is σ = 1487025620820. Its totient is φ = 1484842026880.

The previous prime is 1485933823841. The next prime is 1485933823861. The reversal of 1485933823849 is 9483283395841.

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 695422566400 + 790511257449 = 833920^2 + 889107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485933823849 - 2³ = 1485933823841 is a prime.

It is a super-2 number, since 2×1485933823849² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1485933823841) 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, 545896444 + ... + 545899165.

It is an arithmetic number, because the mean of its divisors is an integer number (371756405205).

Almost surely, 2^{1485933823849} is an apocalyptic number.

It is an amenable number.

1485933823849 is a deficient number, since it is larger than the sum of its proper divisors (1091796971).

1485933823849 is a wasteful number, since it uses less digits than its factorization.

1485933823849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091796970.

The product of its digits is 179159040, while the sum is 67.

The spelling of 1485933823849 in words is "one trillion, four hundred eighty-five billion, nine hundred thirty-three million, eight hundred twenty-three thousand, eight hundred forty-nine".