98637013 has 2 divisors, whose sum is σ = 98637014. Its totient is φ = 98637012.

The previous prime is 98636983. The next prime is 98637017. The reversal of 98637013 is 31073689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97180164 + 1456849 = 9858^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 98637013 - 2⁵ = 98636981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98637017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49318506 + 49318507.

It is an arithmetic number, because the mean of its divisors is an integer number (49318507).

Almost surely, 2^98637013 is an apocalyptic number.

It is an amenable number.

98637013 is a deficient number, since it is larger than the sum of its proper divisors (1).

98637013 is an equidigital number, since it uses as much as digits as its factorization.

98637013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 98637013 is about 9931.6168371519. The cubic root of 98637013 is about 462.0404208058.

The spelling of 98637013 in words is "ninety-eight million, six hundred thirty-seven thousand, thirteen".