444212322413 has 4 divisors (see below), whose sum is σ = 444327676128. Its totient is φ = 444096968700.

The previous prime is 444212322409. The next prime is 444212322457. The reversal of 444212322413 is 314223212444.

It is a happy number.

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 not a de Polignac number, because 444212322413 - 2² = 444212322409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444212322413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444212322473) 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, 57671081 + ... + 57678782.

It is an arithmetic number, because the mean of its divisors is an integer number (111081919032).

Almost surely, 2^444212322413 is an apocalyptic number.

It is an amenable number.

444212322413 is a deficient number, since it is larger than the sum of its proper divisors (115353715).

444212322413 is a wasteful number, since it uses less digits than its factorization.

444212322413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115353714.

The product of its digits is 36864, while the sum is 32.

Adding to 444212322413 its reverse (314223212444), we get a palindrome (758435534857).

The spelling of 444212322413 in words is "four hundred forty-four billion, two hundred twelve million, three hundred twenty-two thousand, four hundred thirteen".