10144433421 has 24 divisors (see below), whose sum is σ = 15163326360. Its totient is φ = 6527606400.

The previous prime is 10144433401. The next prime is 10144433471. The reversal of 10144433421 is 12433444101.

10144433421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2198672100 + 7945761321 = 46890^2 + 89139^2 .

It is not a de Polignac number, because 10144433421 - 2⁶ = 10144433357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10144433401) 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, 1306611 + ... + 1314351.

It is an arithmetic number, because the mean of its divisors is an integer number (631805265).

Almost surely, 2^10144433421 is an apocalyptic number.

It is an amenable number.

10144433421 is a deficient number, since it is larger than the sum of its proper divisors (5018892939).

10144433421 is a wasteful number, since it uses less digits than its factorization.

10144433421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12797 (or 12794 counting only the distinct ones).

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

Adding to 10144433421 its reverse (12433444101), we get a palindrome (22577877522).

The spelling of 10144433421 in words is "ten billion, one hundred forty-four million, four hundred thirty-three thousand, four hundred twenty-one".