44638616741 has 4 divisors (see below), whose sum is σ = 45588374592. Its totient is φ = 43688858892.

The previous prime is 44638616707. The next prime is 44638616797. The reversal of 44638616741 is 14761683644.

It is a happy number.

44638616741 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44638616741 is a prime.

It is a super-2 number, since 2×44638616741² (a number of 22 digits) contains 22 as substring.

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 44638616741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44638616941) 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, 474878855 + ... + 474878948.

It is an arithmetic number, because the mean of its divisors is an integer number (11397093648).

Almost surely, 2^44638616741 is an apocalyptic number.

It is an amenable number.

44638616741 is a deficient number, since it is larger than the sum of its proper divisors (949757851).

44638616741 is an equidigital number, since it uses as much as digits as its factorization.

44638616741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949757850.

The product of its digits is 2322432, while the sum is 50.

The spelling of 44638616741 in words is "forty-four billion, six hundred thirty-eight million, six hundred sixteen thousand, seven hundred forty-one".