98936520401 has 4 divisors (see below), whose sum is σ = 98942823012. Its totient is φ = 98930217792.

The previous prime is 98936520359. The next prime is 98936520413. The reversal of 98936520401 is 10402563989.

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 92440321600 + 6496198801 = 304040^2 + 80599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98936520401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98936520461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3127700 + ... + 3159173.

It is an arithmetic number, because the mean of its divisors is an integer number (24735705753).

Almost surely, 2^98936520401 is an apocalyptic number.

It is an amenable number.

98936520401 is a deficient number, since it is larger than the sum of its proper divisors (6302611).

98936520401 is a wasteful number, since it uses less digits than its factorization.

98936520401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302610.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 98936520401 in words is "ninety-eight billion, nine hundred thirty-six million, five hundred twenty thousand, four hundred one".