10421430442 has 8 divisors (see below), whose sum is σ = 15888410532. Its totient is φ = 5125293600.

The previous prime is 10421430373. The next prime is 10421430451. The reversal of 10421430442 is 24403412401.

It can be written as a sum of positive squares in 2 ways, for example, as 8141272441 + 2280158001 = 90229^2 + 47751^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42710659 + ... + 42710902.

Almost surely, 2^10421430442 is an apocalyptic number.

10421430442 is a deficient number, since it is larger than the sum of its proper divisors (5466980090).

10421430442 is an equidigital number, since it uses as much as digits as its factorization.

10421430442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85421624.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10421430442 its reverse (24403412401), we get a palindrome (34824842843).

The spelling of 10421430442 in words is "ten billion, four hundred twenty-one million, four hundred thirty thousand, four hundred forty-two".