4014431203421 has 8 divisors (see below), whose sum is σ = 4223488597944. Its totient is φ = 3810666401280.

The previous prime is 4014431203397. The next prime is 4014431203441. The reversal of 4014431203421 is 1243021344104.

It can be written as a sum of positive squares in 4 ways, for example, as 839926425625 + 3174504777796 = 916475^2 + 1781714^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4014431203421 - 2²⁶ = 4014364094557 is a prime.

It is a super-2 number, since 2×4014431203421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4014431203441) 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, 1323146540 + ... + 1323149573.

It is an arithmetic number, because the mean of its divisors is an integer number (527936074743).

Almost surely, 2^{4014431203421} is an apocalyptic number.

4014431203421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4014431203421 is a deficient number, since it is larger than the sum of its proper divisors (209057394523).

4014431203421 is a wasteful number, since it uses less digits than its factorization.

4014431203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646296191.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 4014431203421 its reverse (1243021344104), we get a palindrome (5257452547525).

The spelling of 4014431203421 in words is "four trillion, fourteen billion, four hundred thirty-one million, two hundred three thousand, four hundred twenty-one".