98709619 has 2 divisors, whose sum is σ = 98709620. Its totient is φ = 98709618.

The previous prime is 98709587. The next prime is 98709641. The reversal of 98709619 is 91690789.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98709619 - 2⁵ = 98709587 is a prime.

It is a super-2 number, since 2×98709619² = 19487177766250322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98700619) 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, 49354809 + 49354810.

It is an arithmetic number, because the mean of its divisors is an integer number (49354810).

Almost surely, 2^98709619 is an apocalyptic number.

98709619 is a deficient number, since it is larger than the sum of its proper divisors (1).

98709619 is an equidigital number, since it uses as much as digits as its factorization.

98709619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 98709619 is about 9935.2714608107. The cubic root of 98709619 is about 462.1537612174.

The spelling of 98709619 in words is "ninety-eight million, seven hundred nine thousand, six hundred nineteen".