98478722213 has 2 divisors, whose sum is σ = 98478722214. Its totient is φ = 98478722212.

The previous prime is 98478722159. The next prime is 98478722269. The reversal of 98478722213 is 31222787489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87910471009 + 10568251204 = 296497^2 + 102802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98478722213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98478722273) 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 as a sum of consecutive naturals, namely, 49239361106 + 49239361107.

It is an arithmetic number, because the mean of its divisors is an integer number (49239361107).

Almost surely, 2^98478722213 is an apocalyptic number.

It is an amenable number.

98478722213 is a deficient number, since it is larger than the sum of its proper divisors (1).

98478722213 is an equidigital number, since it uses as much as digits as its factorization.

98478722213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 53.

The spelling of 98478722213 in words is "ninety-eight billion, four hundred seventy-eight million, seven hundred twenty-two thousand, two hundred thirteen".