44321211613 has 8 divisors (see below), whose sum is σ = 50662055232. Its totient is φ = 37982678496.

The previous prime is 44321211587. The next prime is 44321211673. The reversal of 44321211613 is 31611212344.

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

It is a de Polignac number, because none of the positive numbers 2^k-44321211613 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 (44321211673) 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, 536320 + ... + 613417.

It is an arithmetic number, because the mean of its divisors is an integer number (6332756904).

Almost surely, 2^44321211613 is an apocalyptic number.

It is an amenable number.

44321211613 is a deficient number, since it is larger than the sum of its proper divisors (6340843619).

44321211613 is a wasteful number, since it uses less digits than its factorization.

44321211613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155251.

The product of its digits is 3456, while the sum is 28.

Adding to 44321211613 its reverse (31611212344), we get a palindrome (75932423957).

The spelling of 44321211613 in words is "forty-four billion, three hundred twenty-one million, two hundred eleven thousand, six hundred thirteen".