441432114466421 has 8 divisors (see below), whose sum is σ = 503352456314904. Its totient is φ = 383506633382400.

The previous prime is 441432114466367. The next prime is 441432114466433. The reversal of 441432114466421 is 124664411234144.

It can be written as a sum of positive squares in 4 ways, for example, as 372052421521 + 441060062044900 = 609961^2 + 21001430^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441432114466421 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 (441432114462421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998715190880 + ... + 998715191321.

It is an arithmetic number, because the mean of its divisors is an integer number (62919057039363).

Almost surely, 2^{441432114466421} is an apocalyptic number.

It is an amenable number.

441432114466421 is a deficient number, since it is larger than the sum of its proper divisors (61920341848483).

441432114466421 is a wasteful number, since it uses less digits than its factorization.

441432114466421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997430382231.

The product of its digits is 1769472, while the sum is 47.

The spelling of 441432114466421 in words is "four hundred forty-one trillion, four hundred thirty-two billion, one hundred fourteen million, four hundred sixty-six thousand, four hundred twenty-one".