99010019 has 2 divisors, whose sum is σ = 99010020. Its totient is φ = 99010018.

The previous prime is 99009991. The next prime is 99010027. The reversal of 99010019 is 91001099.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99010019 - 2²⁰ = 97961443 is a prime.

It is a super-2 number, since 2×99010019² = 19605967724760722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99009973 and 99010000.

It is not a weakly prime, because it can be changed into another prime (99010099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49505009 + 49505010.

It is an arithmetic number, because the mean of its divisors is an integer number (49505010).

Almost surely, 2^99010019 is an apocalyptic number.

99010019 is a deficient number, since it is larger than the sum of its proper divisors (1).

99010019 is an equidigital number, since it uses as much as digits as its factorization.

99010019 is an evil number, because the sum of its binary digits is even.

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

The square root of 99010019 is about 9950.3778320223. The cubic root of 99010019 is about 462.6221059627.

The spelling of 99010019 in words is "ninety-nine million, ten thousand, nineteen".