98621353289 has 4 divisors (see below), whose sum is σ = 98625469056. Its totient is φ = 98617237524.

The previous prime is 98621353217. The next prime is 98621353331. The reversal of 98621353289 is 98235312689.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98621353289 is a prime.

It is a super-2 number, since 2×98621353289² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98621353189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2021729 + ... + 2069934.

It is an arithmetic number, because the mean of its divisors is an integer number (24656367264).

Almost surely, 2^98621353289 is an apocalyptic number.

It is an amenable number.

98621353289 is a deficient number, since it is larger than the sum of its proper divisors (4115767).

98621353289 is a wasteful number, since it uses less digits than its factorization.

98621353289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115766.

The product of its digits is 5598720, while the sum is 56.

The spelling of 98621353289 in words is "ninety-eight billion, six hundred twenty-one million, three hundred fifty-three thousand, two hundred eighty-nine".