44594536421 has 4 divisors (see below), whose sum is σ = 44596051500. Its totient is φ = 44593021344.

The previous prime is 44594536411. The next prime is 44594536457. The reversal of 44594536421 is 12463549544.

44594536421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 20681316100 + 23913220321 = 143810^2 + 154639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44594536421 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 (44594536411) 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, 712496 + ... + 772553.

It is an arithmetic number, because the mean of its divisors is an integer number (11149012875).

Almost surely, 2^44594536421 is an apocalyptic number.

It is an amenable number.

44594536421 is a deficient number, since it is larger than the sum of its proper divisors (1515079).

44594536421 is a wasteful number, since it uses less digits than its factorization.

44594536421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515078.

The product of its digits is 2073600, while the sum is 47.

The spelling of 44594536421 in words is "forty-four billion, five hundred ninety-four million, five hundred thirty-six thousand, four hundred twenty-one".