98841649191 has 4 divisors (see below), whose sum is σ = 131788865592. Its totient is φ = 65894432792.

The previous prime is 98841649091. The next prime is 98841649213. The reversal of 98841649191 is 19194614889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19194614889 = 3 ⋅6398204963.

It is a cyclic number.

It is not a de Polignac number, because 98841649191 - 2¹⁰ = 98841648167 is a prime.

It is a super-2 number, since 2×98841649191² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98841649091) 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, 16473608196 + ... + 16473608201.

It is an arithmetic number, because the mean of its divisors is an integer number (32947216398).

Almost surely, 2^98841649191 is an apocalyptic number.

98841649191 is a deficient number, since it is larger than the sum of its proper divisors (32947216401).

98841649191 is a wasteful number, since it uses less digits than its factorization.

98841649191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32947216400.

The product of its digits is 4478976, while the sum is 60.

The spelling of 98841649191 in words is "ninety-eight billion, eight hundred forty-one million, six hundred forty-nine thousand, one hundred ninety-one".