10421431443 has 24 divisors (see below), whose sum is σ = 15975571248. Its totient is φ = 6523794432.

The previous prime is 10421431439. The next prime is 10421431459. The reversal of 10421431443 is 34413412401.

10421431443 is a `hidden beast` number, since 1 + 0 + 4 + 214 + 3 + 1 + 443 = 666.

10421431443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10421431443 - 2² = 10421431439 is a prime.

It is a super-2 number, since 2×10421431443² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10421431483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12405 + ... + 144902.

It is an arithmetic number, because the mean of its divisors is an integer number (665648802).

Almost surely, 2^10421431443 is an apocalyptic number.

10421431443 is a deficient number, since it is larger than the sum of its proper divisors (5554139805).

10421431443 is a wasteful number, since it uses less digits than its factorization.

10421431443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157763 (or 157760 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 10421431443 its reverse (34413412401), we get a palindrome (44834843844).

The spelling of 10421431443 in words is "ten billion, four hundred twenty-one million, four hundred thirty-one thousand, four hundred forty-three".