98945054989 has 4 divisors (see below), whose sum is σ = 107940060000. Its totient is φ = 89950049980.

The previous prime is 98945054969. The next prime is 98945054993.

98945054989 is nontrivially palindromic in base 10.

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 not a de Polignac number, because 98945054989 - 2⁹ = 98945054477 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98945054959) 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, 4497502489 + ... + 4497502510.

It is an arithmetic number, because the mean of its divisors is an integer number (26985015000).

Almost surely, 2^98945054989 is an apocalyptic number.

It is an amenable number.

98945054989 is a deficient number, since it is larger than the sum of its proper divisors (8995005011).

98945054989 is a wasteful number, since it uses less digits than its factorization.

98945054989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995005010.

The product of its (nonzero) digits is 167961600, while the sum is 70.

The spelling of 98945054989 in words is "ninety-eight billion, nine hundred forty-five million, fifty-four thousand, nine hundred eighty-nine".