98243367521 has 16 divisors (see below), whose sum is σ = 106838452224. Its totient is φ = 89799300864.

The previous prime is 98243367499. The next prime is 98243367527. The reversal of 98243367521 is 12576334289.

It is not a de Polignac number, because 98243367521 - 2¹⁴ = 98243351137 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98243367521.

It is not an unprimeable number, because it can be changed into a prime (98243367527) 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, 806585 + ... + 920361.

It is an arithmetic number, because the mean of its divisors is an integer number (6677403264).

Almost surely, 2^98243367521 is an apocalyptic number.

It is an amenable number.

98243367521 is a deficient number, since it is larger than the sum of its proper divisors (8595084703).

98243367521 is a wasteful number, since it uses less digits than its factorization.

98243367521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114440.

The product of its digits is 2177280, while the sum is 50.

The spelling of 98243367521 in words is "ninety-eight billion, two hundred forty-three million, three hundred sixty-seven thousand, five hundred twenty-one".