98642008531 has 32 divisors (see below), whose sum is σ = 110012607936. Its totient is φ = 88430284800.

The previous prime is 98642008457. The next prime is 98642008561. The reversal of 98642008531 is 13580024689.

It is not a de Polignac number, because 98642008531 - 2¹⁹ = 98641484243 is a prime.

It is a super-2 number, since 2×98642008531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98642008561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40409271 + ... + 40411711.

It is an arithmetic number, because the mean of its divisors is an integer number (3437893998).

Almost surely, 2^98642008531 is an apocalyptic number.

98642008531 is a deficient number, since it is larger than the sum of its proper divisors (11370599405).

98642008531 is a wasteful number, since it uses less digits than its factorization.

98642008531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 98642008531 in words is "ninety-eight billion, six hundred forty-two million, eight thousand, five hundred thirty-one".