98021888049 has 32 divisors (see below), whose sum is σ = 133002777600. Its totient is φ = 64204207808.

The previous prime is 98021888039. The next prime is 98021888077. The reversal of 98021888049 is 94088812089.

It is a cyclic number.

It is not a de Polignac number, because 98021888049 - 2¹⁷ = 98021756977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98021888049.

It is not an unprimeable number, because it can be changed into a prime (98021888039) 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 31 ways as a sum of consecutive naturals, for example, 43700122 + ... + 43702364.

It is an arithmetic number, because the mean of its divisors is an integer number (4156336800).

Almost surely, 2^98021888049 is an apocalyptic number.

It is an amenable number.

98021888049 is a deficient number, since it is larger than the sum of its proper divisors (34980889551).

98021888049 is a wasteful number, since it uses less digits than its factorization.

98021888049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221.

The product of its (nonzero) digits is 2654208, while the sum is 57.

The spelling of 98021888049 in words is "ninety-eight billion, twenty-one million, eight hundred eighty-eight thousand, forty-nine".