10421245442 has 8 divisors (see below), whose sum is σ = 15820204176. Its totient is φ = 5147844052.

The previous prime is 10421245441. The next prime is 10421245453. The reversal of 10421245442 is 24454212401.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (10421245441) 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, 31389128 + ... + 31389459.

It is an arithmetic number, because the mean of its divisors is an integer number (1977525522).

Almost surely, 2^10421245442 is an apocalyptic number.

10421245442 is a deficient number, since it is larger than the sum of its proper divisors (5398958734).

10421245442 is an equidigital number, since it uses as much as digits as its factorization.

10421245442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62778672.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 10421245442 its reverse (24454212401), we get a palindrome (34875457843).

The spelling of 10421245442 in words is "ten billion, four hundred twenty-one million, two hundred forty-five thousand, four hundred forty-two".