98202109 has 2 divisors, whose sum is σ = 98202110. Its totient is φ = 98202108.

The previous prime is 98202061. The next prime is 98202113. The reversal of 98202109 is 90120289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74338884 + 23863225 = 8622^2 + 4885^2 .

It is a cyclic number.

It is not a de Polignac number, because 98202109 - 2¹⁵ = 98169341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98202409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49101054 + 49101055.

It is an arithmetic number, because the mean of its divisors is an integer number (49101055).

Almost surely, 2^98202109 is an apocalyptic number.

It is an amenable number.

98202109 is a deficient number, since it is larger than the sum of its proper divisors (1).

98202109 is an equidigital number, since it uses as much as digits as its factorization.

98202109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 98202109 is about 9909.6977249561. The cubic root of 98202109 is about 461.3603539788.

The spelling of 98202109 in words is "ninety-eight million, two hundred two thousand, one hundred nine".