98498743421 has 16 divisors (see below), whose sum is σ = 108200337840. Its totient is φ = 89104604160.

The previous prime is 98498743361. The next prime is 98498743471. The reversal of 98498743421 is 12434789489.

It can be written as a sum of positive squares in 8 ways, for example, as 22383451321 + 76115292100 = 149611^2 + 275890^2 .

It is not a de Polignac number, because 98498743421 - 2²⁶ = 98431634557 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 (98498743471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525875 + ... + 688143.

It is an arithmetic number, because the mean of its divisors is an integer number (6762521115).

Almost surely, 2^98498743421 is an apocalyptic number.

It is an amenable number.

98498743421 is a deficient number, since it is larger than the sum of its proper divisors (9701594419).

98498743421 is a wasteful number, since it uses less digits than its factorization.

98498743421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163216.

The product of its digits is 13934592, while the sum is 59.

The spelling of 98498743421 in words is "ninety-eight billion, four hundred ninety-eight million, seven hundred forty-three thousand, four hundred twenty-one".