44651616613 has 16 divisors (see below), whose sum is σ = 47180635840. Its totient is φ = 42209963136.

The previous prime is 44651616601. The next prime is 44651616629. The reversal of 44651616613 is 31661615644.

44651616613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 44651616613 - 2²¹ = 44649519461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44651616613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44651616313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57598 + ... + 304336.

It is an arithmetic number, because the mean of its divisors is an integer number (2948789740).

Almost surely, 2^44651616613 is an apocalyptic number.

It is an amenable number.

44651616613 is a deficient number, since it is larger than the sum of its proper divisors (2529019227).

44651616613 is a wasteful number, since it uses less digits than its factorization.

44651616613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246916.

The product of its digits is 311040, while the sum is 43.

The spelling of 44651616613 in words is "forty-four billion, six hundred fifty-one million, six hundred sixteen thousand, six hundred thirteen".