4334413431021 has 16 divisors (see below), whose sum is σ = 5833759176000. Its totient is φ = 2862430921728.

The previous prime is 4334413431001. The next prime is 4334413431109. The reversal of 4334413431021 is 1201343144334.

It is not a de Polignac number, because 4334413431021 - 2⁵ = 4334413430989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4334413431001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11387686 + ... + 11762151.

It is an arithmetic number, because the mean of its divisors is an integer number (364609948500).

Almost surely, 2^{4334413431021} is an apocalyptic number.

It is an amenable number.

4334413431021 is a deficient number, since it is larger than the sum of its proper divisors (1499345744979).

4334413431021 is a wasteful number, since it uses less digits than its factorization.

4334413431021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23150428.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 4334413431021 its reverse (1201343144334), we get a palindrome (5535756575355).

The spelling of 4334413431021 in words is "four trillion, three hundred thirty-four billion, four hundred thirteen million, four hundred thirty-one thousand, twenty-one".