98938083989 has 4 divisors (see below), whose sum is σ = 99184812780. Its totient is φ = 98691355200.

The previous prime is 98938083941. The next prime is 98938084013.

98938083989 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93738231889 + 5199852100 = 306167^2 + 72110^2 .

It is a cyclic number.

It is not a de Polignac number, because 98938083989 - 2⁸ = 98938083733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98938083289) 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, 123363794 + ... + 123364595.

It is an arithmetic number, because the mean of its divisors is an integer number (24796203195).

Almost surely, 2^98938083989 is an apocalyptic number.

It is an amenable number.

98938083989 is a deficient number, since it is larger than the sum of its proper divisors (246728791).

98938083989 is a wasteful number, since it uses less digits than its factorization.

98938083989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246728790.

The product of its (nonzero) digits is 241864704, while the sum is 74.

The spelling of 98938083989 in words is "ninety-eight billion, nine hundred thirty-eight million, eighty-three thousand, nine hundred eighty-nine".