43444404101 has 4 divisors (see below), whose sum is σ = 49650747552. Its totient is φ = 37238060652.

The previous prime is 43444404049. The next prime is 43444404149. The reversal of 43444404101 is 10140444434.

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-43444404101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43444404161) 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, 3103171715 + ... + 3103171728.

It is an arithmetic number, because the mean of its divisors is an integer number (12412686888).

Almost surely, 2^43444404101 is an apocalyptic number.

It is an amenable number.

43444404101 is a deficient number, since it is larger than the sum of its proper divisors (6206343451).

43444404101 is an equidigital number, since it uses as much as digits as its factorization.

43444404101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206343450.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 43444404101 its reverse (10140444434), we get a palindrome (53584848535).

The spelling of 43444404101 in words is "forty-three billion, four hundred forty-four million, four hundred four thousand, one hundred one".