998188000307 has 2 divisors, whose sum is σ = 998188000308. Its totient is φ = 998188000306.

The previous prime is 998188000253. The next prime is 998188000379. The reversal of 998188000307 is 703000881899.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998188000307 is a prime.

It is not a weakly prime, because it can be changed into another prime (998188005307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499094000153 + 499094000154.

It is an arithmetic number, because the mean of its divisors is an integer number (499094000154).

Almost surely, 2^998188000307 is an apocalyptic number.

998188000307 is a deficient number, since it is larger than the sum of its proper divisors (1).

998188000307 is an equidigital number, since it uses as much as digits as its factorization.

998188000307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 998188000307 in words is "nine hundred ninety-eight billion, one hundred eighty-eight million, three hundred seven", and thus it is an aban number.