2098218069 has 6 divisors (see below), whose sum is σ = 3030759446. Its totient is φ = 1398812040.

The previous prime is 2098218061. The next prime is 2098218071. The reversal of 2098218069 is 9608128902.

It can be written as a sum of positive squares in only one way, i.e., 1090980900 + 1007237169 = 33030^2 + 31737^2 .

It is not a de Polignac number, because 2098218069 - 2³ = 2098218061 is a prime.

It is a super-2 number, since 2×2098218069² = 8805038130156177522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098218061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116567662 + ... + 116567679.

Almost surely, 2^2098218069 is an apocalyptic number.

It is an amenable number.

2098218069 is a deficient number, since it is larger than the sum of its proper divisors (932541377).

2098218069 is a wasteful number, since it uses less digits than its factorization.

2098218069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233135347 (or 233135344 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 2098218069 is about 45806.3103622197. The cubic root of 2098218069 is about 1280.2168555519.

The spelling of 2098218069 in words is "two billion, ninety-eight million, two hundred eighteen thousand, sixty-nine".