11974498443 has 6 divisors (see below), whose sum is σ = 17296497764. Its totient is φ = 7982998956.

The previous prime is 11974498439. The next prime is 11974498453. The reversal of 11974498443 is 34489447911.

11974498443 is a `hidden beast` number, since 1 + 197 + 4 + 4 + 9 + 8 + 443 = 666.

11974498443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11974498443 - 2² = 11974498439 is a prime.

It is a super-2 number, since 2×11974498443² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11974498443.

It is not an unprimeable number, because it can be changed into a prime (11974498453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 665249905 + ... + 665249922.

Almost surely, 2^11974498443 is an apocalyptic number.

11974498443 is a deficient number, since it is larger than the sum of its proper divisors (5321999321).

11974498443 is a wasteful number, since it uses less digits than its factorization.

11974498443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330499833 (or 1330499830 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 11974498443 in words is "eleven billion, nine hundred seventy-four million, four hundred ninety-eight thousand, four hundred forty-three".