98507845643 has 4 divisors (see below), whose sum is σ = 99216535320. Its totient is φ = 97799155968.

The previous prime is 98507845637. The next prime is 98507845693. The reversal of 98507845643 is 34654870589.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98507845643 is a prime.

It is a super-2 number, since 2×98507845643² (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 (98507845603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354344630 + ... + 354344907.

It is an arithmetic number, because the mean of its divisors is an integer number (24804133830).

Almost surely, 2^98507845643 is an apocalyptic number.

98507845643 is a deficient number, since it is larger than the sum of its proper divisors (708689677).

98507845643 is a wasteful number, since it uses less digits than its factorization.

98507845643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708689676.

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 98507845643 in words is "ninety-eight billion, five hundred seven million, eight hundred forty-five thousand, six hundred forty-three".