44106538545491 has 2 divisors, whose sum is σ = 44106538545492. Its totient is φ = 44106538545490.

The previous prime is 44106538545427. The next prime is 44106538545529. The reversal of 44106538545491 is 19454583560144.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44106538545491 - 2⁶ = 44106538545427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44106538545491.

It is not a weakly prime, because it can be changed into another prime (44106538545791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22053269272745 + 22053269272746.

It is an arithmetic number, because the mean of its divisors is an integer number (22053269272746).

Almost surely, 2^{44106538545491} is an apocalyptic number.

44106538545491 is a deficient number, since it is larger than the sum of its proper divisors (1).

44106538545491 is an equidigital number, since it uses as much as digits as its factorization.

44106538545491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472000, while the sum is 59.

The spelling of 44106538545491 in words is "forty-four trillion, one hundred six billion, five hundred thirty-eight million, five hundred forty-five thousand, four hundred ninety-one".