98139319509 has 16 divisors (see below), whose sum is σ = 163140687360. Its totient is φ = 50981464560.

The previous prime is 98139319507. The next prime is 98139319513. The reversal of 98139319509 is 90591393189.

It is not a de Polignac number, because 98139319509 - 2¹ = 98139319507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98139319501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212422539 + ... + 212423000.

It is an arithmetic number, because the mean of its divisors is an integer number (10196292960).

Almost surely, 2^98139319509 is an apocalyptic number.

It is an amenable number.

98139319509 is a deficient number, since it is larger than the sum of its proper divisors (65001367851).

98139319509 is a wasteful number, since it uses less digits than its factorization.

98139319509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424845560.

The product of its (nonzero) digits is 2361960, while the sum is 57.

The spelling of 98139319509 in words is "ninety-eight billion, one hundred thirty-nine million, three hundred nineteen thousand, five hundred nine".