13432324042021 has 4 divisors (see below), whose sum is σ = 13432370402700. Its totient is φ = 13432277681344.

The previous prime is 13432324041893. The next prime is 13432324042037. The reversal of 13432324042021 is 12024042323431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3692119977121 + 9740204064900 = 1921489^2 + 3120930^2 .

It is a cyclic number.

It is not a de Polignac number, because 13432324042021 - 2⁷ = 13432324041893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13432324042051) 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, 22742986 + ... + 23326123.

It is an arithmetic number, because the mean of its divisors is an integer number (3358092600675).

Almost surely, 2^{13432324042021} is an apocalyptic number.

It is an amenable number.

13432324042021 is a deficient number, since it is larger than the sum of its proper divisors (46360679).

13432324042021 is an equidigital number, since it uses as much as digits as its factorization.

13432324042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46360678.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 13432324042021 its reverse (12024042323431), we get a palindrome (25456366365452).

The spelling of 13432324042021 in words is "thirteen trillion, four hundred thirty-two billion, three hundred twenty-four million, forty-two thousand, twenty-one".