98003449021 has 4 divisors (see below), whose sum is σ = 98016039100. Its totient is φ = 97990858944.

The previous prime is 98003449009. The next prime is 98003449031. The reversal of 98003449021 is 12094430089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12094430089 = 7 ⋅1727775727.

It can be written as a sum of positive squares in 2 ways, for example, as 33798984025 + 64204464996 = 183845^2 + 253386^2 .

It is a cyclic number.

It is not a de Polignac number, because 98003449021 - 2²³ = 97995060413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98003449001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6283356 + ... + 6298933.

It is an arithmetic number, because the mean of its divisors is an integer number (24504009775).

Almost surely, 2^98003449021 is an apocalyptic number.

It is an amenable number.

98003449021 is a deficient number, since it is larger than the sum of its proper divisors (12590079).

98003449021 is a wasteful number, since it uses less digits than its factorization.

98003449021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590078.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 98003449021 in words is "ninety-eight billion, three million, four hundred forty-nine thousand, twenty-one".