99019001 has 2 divisors, whose sum is σ = 99019002. Its totient is φ = 99019000.

The previous prime is 99018973. The next prime is 99019003. The reversal of 99019001 is 10091099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68227600 + 30791401 = 8260^2 + 5549^2 .

It is an emirp because it is prime and its reverse (10091099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99019001 - 2¹⁸ = 98756857 is a prime.

Together with 99019003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99019003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49509500 + 49509501.

It is an arithmetic number, because the mean of its divisors is an integer number (49509501).

Almost surely, 2^99019001 is an apocalyptic number.

It is an amenable number.

99019001 is a deficient number, since it is larger than the sum of its proper divisors (1).

99019001 is an equidigital number, since it uses as much as digits as its factorization.

99019001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 99019001 is about 9950.8291614317. The cubic root of 99019001 is about 462.6360949379.

It can be divided in two parts, 990 and 19001, that added together give a palindrome (19991).

The spelling of 99019001 in words is "ninety-nine million, nineteen thousand, one".