2098618551 has 10 divisors (see below), whose sum is σ = 3134973512. Its totient is φ = 1399078980.

The previous prime is 2098618549. The next prime is 2098618607. The reversal of 2098618551 is 1558168902.

It is a happy number.

2098618551 is a `hidden beast` number, since 2 + 0 + 9 + 86 + 18 + 551 = 666.

It is not a de Polignac number, because 2098618551 - 2¹ = 2098618549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2098618497 and 2098618506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098618531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12954355 + ... + 12954516.

Almost surely, 2^2098618551 is an apocalyptic number.

2098618551 is a deficient number, since it is larger than the sum of its proper divisors (1036354961).

2098618551 is an equidigital number, since it uses as much as digits as its factorization.

2098618551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25908883 (or 25908874 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The square root of 2098618551 is about 45810.6816255772. The cubic root of 2098618551 is about 1280.2983010410.

The spelling of 2098618551 in words is "two billion, ninety-eight million, six hundred eighteen thousand, five hundred fifty-one".