13421210442 has 16 divisors (see below), whose sum is σ = 27103028160. Its totient is φ = 4430302272.

The previous prime is 13421210441. The next prime is 13421210459. The reversal of 13421210442 is 24401212431.

It is not an unprimeable number, because it can be changed into a prime (13421210441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10857967 + ... + 10859202.

It is an arithmetic number, because the mean of its divisors is an integer number (1693939260).

Almost surely, 2^13421210442 is an apocalyptic number.

13421210442 is an abundant number, since it is smaller than the sum of its proper divisors (13681817718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13421210442 is a wasteful number, since it uses less digits than its factorization.

13421210442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21717277.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 13421210442 its reverse (24401212431), we get a palindrome (37822422873).

The spelling of 13421210442 in words is "thirteen billion, four hundred twenty-one million, two hundred ten thousand, four hundred forty-two".