13421444042 has 8 divisors (see below), whose sum is σ = 20188245600. Its totient is φ = 6692028844.

The previous prime is 13421444041. The next prime is 13421444051. The reversal of 13421444042 is 24044412431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13421443996 and 13421444014.

It is not an unprimeable number, because it can be changed into a prime (13421444041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9345692 + ... + 9347127.

It is an arithmetic number, because the mean of its divisors is an integer number (2523530700).

Almost surely, 2^13421444042 is an apocalyptic number.

13421444042 is a deficient number, since it is larger than the sum of its proper divisors (6766801558).

13421444042 is a wasteful number, since it uses less digits than its factorization.

13421444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18693180.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 13421444042 its reverse (24044412431), we get a palindrome (37465856473).

The spelling of 13421444042 in words is "thirteen billion, four hundred twenty-one million, four hundred forty-four thousand, forty-two".