444002410421 has 4 divisors (see below), whose sum is σ = 463306863072. Its totient is φ = 424697957772.

The previous prime is 444002410363. The next prime is 444002410451. The reversal of 444002410421 is 124014200444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444002410421 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 (444002410451) 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, 9652226291 + ... + 9652226336.

It is an arithmetic number, because the mean of its divisors is an integer number (115826715768).

Almost surely, 2^444002410421 is an apocalyptic number.

It is an amenable number.

444002410421 is a deficient number, since it is larger than the sum of its proper divisors (19304452651).

444002410421 is a wasteful number, since it uses less digits than its factorization.

444002410421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19304452650.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 444002410421 its reverse (124014200444), we get a palindrome (568016610865).

The spelling of 444002410421 in words is "four hundred forty-four billion, two million, four hundred ten thousand, four hundred twenty-one".