2098981079 has 8 divisors (see below), whose sum is σ = 2261369712. Its totient is φ = 1936725120.

The previous prime is 2098981069. The next prime is 2098981123. The reversal of 2098981079 is 9701898902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2098981079 - 2⁸ = 2098980823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2098981079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098981009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007 + ... + 64799.

It is an arithmetic number, because the mean of its divisors is an integer number (282671214).

Almost surely, 2^2098981079 is an apocalyptic number.

2098981079 is a deficient number, since it is larger than the sum of its proper divisors (162388633).

2098981079 is a wasteful number, since it uses less digits than its factorization.

2098981079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66337.

The product of its (nonzero) digits is 653184, while the sum is 53.

The square root of 2098981079 is about 45814.6382611497. The cubic root of 2098981079 is about 1280.3720189412.

The spelling of 2098981079 in words is "two billion, ninety-eight million, nine hundred eighty-one thousand, seventy-nine".