13420443004 has 24 divisors (see below), whose sum is σ = 23823864288. Its totient is φ = 6613682880.

The previous prime is 13420442999. The next prime is 13420443017. The reversal of 13420443004 is 40034402431.

It is a super-2 number, since 2×13420443004² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13420443004.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1403022 + ... + 1412554.

It is an arithmetic number, because the mean of its divisors is an integer number (992661012).

Almost surely, 2^13420443004 is an apocalyptic number.

It is an amenable number.

13420443004 is a deficient number, since it is larger than the sum of its proper divisors (10403421284).

13420443004 is a wasteful number, since it uses less digits than its factorization.

13420443004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14565 (or 14563 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13420443004 its reverse (40034402431), we get a palindrome (53454845435).

The spelling of 13420443004 in words is "thirteen billion, four hundred twenty million, four hundred forty-three thousand, four".