8942500109 has 2 divisors, whose sum is σ = 8942500110. Its totient is φ = 8942500108.

The previous prime is 8942500103. The next prime is 8942500163. The reversal of 8942500109 is 9010052498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8909472100 + 33028009 = 94390^2 + 5747^2 .

It is a cyclic number.

It is not a de Polignac number, because 8942500109 - 2¹⁶ = 8942434573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8942500103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4471250054 + 4471250055.

It is an arithmetic number, because the mean of its divisors is an integer number (4471250055).

Almost surely, 2^8942500109 is an apocalyptic number.

It is an amenable number.

8942500109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8942500109 is an equidigital number, since it uses as much as digits as its factorization.

8942500109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 8942500109 is about 94564.7931790685. The cubic root of 8942500109 is about 2075.6445558652.

The spelling of 8942500109 in words is "eight billion, nine hundred forty-two million, five hundred thousand, one hundred nine".