98236139802049 has 4 divisors (see below), whose sum is σ = 98236711689264. Its totient is φ = 98235567914836.

The previous prime is 98236139801953. The next prime is 98236139802083. The reversal of 98236139802049 is 94020893163289.

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 98236139802049 - 2³¹ = 98233992318401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98236139802349) 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, 285685867 + ... + 286029520.

It is an arithmetic number, because the mean of its divisors is an integer number (24559177922316).

Almost surely, 2^{98236139802049} is an apocalyptic number.

It is an amenable number.

98236139802049 is a deficient number, since it is larger than the sum of its proper divisors (571887215).

98236139802049 is a wasteful number, since it uses less digits than its factorization.

98236139802049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571887214.

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 98236139802049 in words is "ninety-eight trillion, two hundred thirty-six billion, one hundred thirty-nine million, eight hundred two thousand, forty-nine".