98013221782013 has 2 divisors, whose sum is σ = 98013221782014. Its totient is φ = 98013221782012.

The previous prime is 98013221782009. The next prime is 98013221782031. The reversal of 98013221782013 is 31028712231089.

It is a happy number.

Together with next prime (98013221782031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73677124597444 + 24336097184569 = 8583538^2 + 4933163^2 .

It is an emirp because it is prime and its reverse (31028712231089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98013221782013 - 2² = 98013221782009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98013221782213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49006610891006 + 49006610891007.

It is an arithmetic number, because the mean of its divisors is an integer number (49006610891007).

Almost surely, 2^{98013221782013} is an apocalyptic number.

It is an amenable number.

98013221782013 is a deficient number, since it is larger than the sum of its proper divisors (1).

98013221782013 is an equidigital number, since it uses as much as digits as its factorization.

98013221782013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 98013221782013 in words is "ninety-eight trillion, thirteen billion, two hundred twenty-one million, seven hundred eighty-two thousand, thirteen".