99210019 has 2 divisors, whose sum is σ = 99210020. Its totient is φ = 99210018.

The previous prime is 99209989. The next prime is 99210029. The reversal of 99210019 is 91001299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99210019 - 2¹³ = 99201827 is a prime.

It is a super-3 number, since 3×99210019³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (99210029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49605009 + 49605010.

It is an arithmetic number, because the mean of its divisors is an integer number (49605010).

Almost surely, 2^99210019 is an apocalyptic number.

99210019 is a deficient number, since it is larger than the sum of its proper divisors (1).

99210019 is an equidigital number, since it uses as much as digits as its factorization.

99210019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 31.

The square root of 99210019 is about 9960.4226315955. The cubic root of 99210019 is about 462.9333949691.

It can be divided in two parts, 992 and 10019, that added together give a palindrome (11011).

The spelling of 99210019 in words is "ninety-nine million, two hundred ten thousand, nineteen".