98569613 has 2 divisors, whose sum is σ = 98569614. Its totient is φ = 98569612.

The previous prime is 98569573. The next prime is 98569711. The reversal of 98569613 is 31696589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98465929 + 103684 = 9923^2 + 322^2 .

It is an emirp because it is prime and its reverse (31696589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98569613 - 2²⁰ = 97521037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98569313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49284806 + 49284807.

It is an arithmetic number, because the mean of its divisors is an integer number (49284807).

Almost surely, 2^98569613 is an apocalyptic number.

It is an amenable number.

98569613 is a deficient number, since it is larger than the sum of its proper divisors (1).

98569613 is an equidigital number, since it uses as much as digits as its factorization.

98569613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 47.

The square root of 98569613 is about 9928.2230534975. The cubic root of 98569613 is about 461.9351573445.

The spelling of 98569613 in words is "ninety-eight million, five hundred sixty-nine thousand, six hundred thirteen".