998269093 has 2 divisors, whose sum is σ = 998269094. Its totient is φ = 998269092.

The previous prime is 998269091. The next prime is 998269109. The reversal of 998269093 is 390962899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 778577409 + 219691684 = 27903^2 + 14822^2 .

It is an emirp because it is prime and its reverse (390962899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 998269093 - 2¹ = 998269091 is a prime.

Together with 998269091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998269091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499134546 + 499134547.

It is an arithmetic number, because the mean of its divisors is an integer number (499134547).

Almost surely, 2^998269093 is an apocalyptic number.

It is an amenable number.

998269093 is a deficient number, since it is larger than the sum of its proper divisors (1).

998269093 is an equidigital number, since it uses as much as digits as its factorization.

998269093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The square root of 998269093 is about 31595.3967058494. The cubic root of 998269093 is about 999.4226977863.

The spelling of 998269093 in words is "nine hundred ninety-eight million, two hundred sixty-nine thousand, ninety-three".