44631413643 has 4 divisors (see below), whose sum is σ = 59508551528. Its totient is φ = 29754275760.

The previous prime is 44631413633. The next prime is 44631413657. The reversal of 44631413643 is 34631413644.

44631413643 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 is not a de Polignac number, because 44631413643 - 2¹³ = 44631405451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44631413623) 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, 7438568938 + ... + 7438568943.

It is an arithmetic number, because the mean of its divisors is an integer number (14877137882).

Almost surely, 2^44631413643 is an apocalyptic number.

44631413643 is a deficient number, since it is larger than the sum of its proper divisors (14877137885).

44631413643 is a wasteful number, since it uses less digits than its factorization.

44631413643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14877137884.

The product of its digits is 248832, while the sum is 39.

Subtracting from 44631413643 its reverse (34631413644), we obtain a palindrome (9999999999).

The spelling of 44631413643 in words is "forty-four billion, six hundred thirty-one million, four hundred thirteen thousand, six hundred forty-three".