98738719321 has 4 divisors (see below), whose sum is σ = 107714966544. Its totient is φ = 89762472100.

The previous prime is 98738719309. The next prime is 98738719393. The reversal of 98738719321 is 12391783789.

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 98738719321 - 2²¹ = 98736622169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98738719301) 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, 4488123595 + ... + 4488123616.

It is an arithmetic number, because the mean of its divisors is an integer number (26928741636).

Almost surely, 2^98738719321 is an apocalyptic number.

It is an amenable number.

98738719321 is a deficient number, since it is larger than the sum of its proper divisors (8976247223).

98738719321 is a wasteful number, since it uses less digits than its factorization.

98738719321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976247222.

The product of its digits is 4572288, while the sum is 58.

The spelling of 98738719321 in words is "ninety-eight billion, seven hundred thirty-eight million, seven hundred nineteen thousand, three hundred twenty-one".