444402102013 has 8 divisors (see below), whose sum is σ = 452842106976. Its totient is φ = 435964136400.

The previous prime is 444402101881. The next prime is 444402102037. The reversal of 444402102013 is 310201204444.

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 444402102013 - 2²¹ = 444400004861 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 (444402109013) 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, 66243 + ... + 945088.

It is an arithmetic number, because the mean of its divisors is an integer number (56605263372).

Almost surely, 2^444402102013 is an apocalyptic number.

It is an amenable number.

444402102013 is a deficient number, since it is larger than the sum of its proper divisors (8440004963).

444402102013 is a wasteful number, since it uses less digits than its factorization.

444402102013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019675.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 444402102013 its reverse (310201204444), we get a palindrome (754603306457).

The spelling of 444402102013 in words is "four hundred forty-four billion, four hundred two million, one hundred two thousand, thirteen".