44142220097 has 2 divisors, whose sum is σ = 44142220098. Its totient is φ = 44142220096.

The previous prime is 44142220093. The next prime is 44142220121. The reversal of 44142220097 is 79002224144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34302373681 + 9839846416 = 185209^2 + 99196^2 .

It is a cyclic number.

It is not a de Polignac number, because 44142220097 - 2² = 44142220093 is a prime.

It is not a weakly prime, because it can be changed into another prime (44142220093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22071110048 + 22071110049.

It is an arithmetic number, because the mean of its divisors is an integer number (22071110049).

Almost surely, 2^44142220097 is an apocalyptic number.

It is an amenable number.

44142220097 is a deficient number, since it is larger than the sum of its proper divisors (1).

44142220097 is an equidigital number, since it uses as much as digits as its factorization.

44142220097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 44142220097 in words is "forty-four billion, one hundred forty-two million, two hundred twenty thousand, ninety-seven".