98642945803 has 2 divisors, whose sum is σ = 98642945804. Its totient is φ = 98642945802.

The previous prime is 98642945783. The next prime is 98642945837. The reversal of 98642945803 is 30854924689.

It is a weak prime.

It is an emirp because it is prime and its reverse (30854924689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98642945803 - 2²⁵ = 98609391371 is a prime.

It is not a weakly prime, because it can be changed into another prime (98642946803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49321472901 + 49321472902.

It is an arithmetic number, because the mean of its divisors is an integer number (49321472902).

Almost surely, 2^98642945803 is an apocalyptic number.

98642945803 is a deficient number, since it is larger than the sum of its proper divisors (1).

98642945803 is an equidigital number, since it uses as much as digits as its factorization.

98642945803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 98642945803 in words is "ninety-eight billion, six hundred forty-two million, nine hundred forty-five thousand, eight hundred three".