2098297139 has 4 divisors (see below), whose sum is σ = 2149475160. Its totient is φ = 2047119120.

The previous prime is 2098297127. The next prime is 2098297141. The reversal of 2098297139 is 9317928902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2098297139 - 2²⁰ = 2097248563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2098297169) 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 3 ways as a sum of consecutive naturals, for example, 25588949 + ... + 25589030.

It is an arithmetic number, because the mean of its divisors is an integer number (537368790).

Almost surely, 2^2098297139 is an apocalyptic number.

2098297139 is a deficient number, since it is larger than the sum of its proper divisors (51178021).

2098297139 is an equidigital number, since it uses as much as digits as its factorization.

2098297139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51178020.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 2098297139 is about 45807.1734447783. The cubic root of 2098297139 is about 1280.2329367332.

The spelling of 2098297139 in words is "two billion, ninety-eight million, two hundred ninety-seven thousand, one hundred thirty-nine".