4144231421 has 8 divisors (see below), whose sum is σ = 4539741888. Its totient is φ = 3751848000.

The previous prime is 4144231411. The next prime is 4144231451. The reversal of 4144231421 is 1241324414.

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-4144231421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144231411) 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, 778985 + ... + 784286.

It is an arithmetic number, because the mean of its divisors is an integer number (567467736).

Almost surely, 2^4144231421 is an apocalyptic number.

It is an amenable number.

4144231421 is a deficient number, since it is larger than the sum of its proper divisors (395510467).

4144231421 is a wasteful number, since it uses less digits than its factorization.

4144231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563523.

The product of its digits is 3072, while the sum is 26.

The square root of 4144231421 is about 64375.7052077878. The cubic root of 4144231421 is about 1606.2556428998.

Adding to 4144231421 its reverse (1241324414), we get a palindrome (5385555835).

The spelling of 4144231421 in words is "four billion, one hundred forty-four million, two hundred thirty-one thousand, four hundred twenty-one".