109944477089 has 2 divisors, whose sum is σ = 109944477090. Its totient is φ = 109944477088.

The previous prime is 109944477073. The next prime is 109944477101. The reversal of 109944477089 is 980774449901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95422299025 + 14522178064 = 308905^2 + 120508^2 .

It is a cyclic number.

It is not a de Polignac number, because 109944477089 - 2⁴ = 109944477073 is a prime.

It is not a weakly prime, because it can be changed into another prime (109944477059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54972238544 + 54972238545.

It is an arithmetic number, because the mean of its divisors is an integer number (54972238545).

Almost surely, 2^109944477089 is an apocalyptic number.

It is an amenable number.

109944477089 is a deficient number, since it is larger than the sum of its proper divisors (1).

109944477089 is an equidigital number, since it uses as much as digits as its factorization.

109944477089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 109944477089 in words is "one hundred nine billion, nine hundred forty-four million, four hundred seventy-seven thousand, eighty-nine".