98919133 has 2 divisors, whose sum is σ = 98919134. Its totient is φ = 98919132.

The previous prime is 98919131. The next prime is 98919169. The reversal of 98919133 is 33191989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92679129 + 6240004 = 9627^2 + 2498^2 .

It is a cyclic number.

It is not a de Polignac number, because 98919133 - 2¹ = 98919131 is a prime.

Together with 98919131, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 98919133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98919131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49459566 + 49459567.

It is an arithmetic number, because the mean of its divisors is an integer number (49459567).

Almost surely, 2^98919133 is an apocalyptic number.

It is an amenable number.

98919133 is a deficient number, since it is larger than the sum of its proper divisors (1).

98919133 is an equidigital number, since it uses as much as digits as its factorization.

98919133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 43.

The square root of 98919133 is about 9945.8098212262. The cubic root of 98919133 is about 462.4805083580.

The spelling of 98919133 in words is "ninety-eight million, nine hundred nineteen thousand, one hundred thirty-three".