44002541626513 has 4 divisors (see below), whose sum is σ = 44194692463540. Its totient is φ = 43810390789488.

The previous prime is 44002541626471. The next prime is 44002541626541. The reversal of 44002541626513 is 31562614520044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38106274688784 + 5896266937729 = 6173028^2 + 2428223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44002541626513 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 44002541626513.

It is not an unprimeable number, because it can be changed into a prime (44002541626613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96075418170 + ... + 96075418627.

It is an arithmetic number, because the mean of its divisors is an integer number (11048673115885).

Almost surely, 2^{44002541626513} is an apocalyptic number.

It is an amenable number.

44002541626513 is a deficient number, since it is larger than the sum of its proper divisors (192150837027).

44002541626513 is a wasteful number, since it uses less digits than its factorization.

44002541626513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192150837026.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 44002541626513 in words is "forty-four trillion, two billion, five hundred forty-one million, six hundred twenty-six thousand, five hundred thirteen".