10432441021 has 4 divisors (see below), whose sum is σ = 10686890844. Its totient is φ = 10177991200.

The previous prime is 10432441013. The next prime is 10432441037. The reversal of 10432441021 is 12014423401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12014423401 = 71 ⋅169217231.

It can be written as a sum of positive squares in 2 ways, for example, as 3226808025 + 7205632996 = 56805^2 + 84886^2 .

It is a cyclic number.

It is not a de Polignac number, because 10432441021 - 2³ = 10432441013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10432440983 and 10432441001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10432441091) 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, 127224850 + ... + 127224931.

It is an arithmetic number, because the mean of its divisors is an integer number (2671722711).

Almost surely, 2^10432441021 is an apocalyptic number.

It is an amenable number.

10432441021 is a deficient number, since it is larger than the sum of its proper divisors (254449823).

10432441021 is an equidigital number, since it uses as much as digits as its factorization.

10432441021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254449822.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10432441021 its reverse (12014423401), we get a palindrome (22446864422).

The spelling of 10432441021 in words is "ten billion, four hundred thirty-two million, four hundred forty-one thousand, twenty-one".