98491599331 has 4 divisors (see below), whose sum is σ = 98593033464. Its totient is φ = 98390165200.

The previous prime is 98491599317. The next prime is 98491599379. The reversal of 98491599331 is 13399519489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13399519489 = 149 ⋅89929661.

It is a cyclic number.

It is not a de Polignac number, because 98491599331 - 2⁷ = 98491599203 is a prime.

It is a super-2 number, since 2×98491599331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98491599331.

It is not an unprimeable number, because it can be changed into a prime (98491579331) 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, 50715610 + ... + 50717551.

It is an arithmetic number, because the mean of its divisors is an integer number (24648258366).

Almost surely, 2^98491599331 is an apocalyptic number.

98491599331 is a deficient number, since it is larger than the sum of its proper divisors (101434133).

98491599331 is a wasteful number, since it uses less digits than its factorization.

98491599331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101434132.

The product of its digits is 9447840, while the sum is 61.

The spelling of 98491599331 in words is "ninety-eight billion, four hundred ninety-one million, five hundred ninety-nine thousand, three hundred thirty-one".