2098918687458 has 128 divisors (see below), whose sum is σ = 4424093614080. Its totient is φ = 663269068800.

The previous prime is 2098918687433. The next prime is 2098918687493. The reversal of 2098918687458 is 8547868198902.

It is a self number, because there is not a number n which added to its sum of digits gives 2098918687458.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 376890498 + ... + 376896066.

It is an arithmetic number, because the mean of its divisors is an integer number (34563231360).

Almost surely, 2^{2098918687458} is an apocalyptic number.

2098918687458 is an abundant number, since it is smaller than the sum of its proper divisors (2325174926622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2098918687458 is a wasteful number, since it uses less digits than its factorization.

2098918687458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5992.

The product of its (nonzero) digits is 557383680, while the sum is 75.

The spelling of 2098918687458 in words is "two trillion, ninety-eight billion, nine hundred eighteen million, six hundred eighty-seven thousand, four hundred fifty-eight".