98538091633 has 2 divisors, whose sum is σ = 98538091634. Its totient is φ = 98538091632.

The previous prime is 98538091529. The next prime is 98538091657. The reversal of 98538091633 is 33619083589.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62264222784 + 36273868849 = 249528^2 + 190457^2 .

It is a cyclic number.

It is not a de Polignac number, because 98538091633 - 2⁹ = 98538091121 is a prime.

It is not a weakly prime, because it can be changed into another prime (98538091693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49269045816 + 49269045817.

It is an arithmetic number, because the mean of its divisors is an integer number (49269045817).

Almost surely, 2^98538091633 is an apocalyptic number.

It is an amenable number.

98538091633 is a deficient number, since it is larger than the sum of its proper divisors (1).

98538091633 is an equidigital number, since it uses as much as digits as its factorization.

98538091633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 98538091633 in words is "ninety-eight billion, five hundred thirty-eight million, ninety-one thousand, six hundred thirty-three".