99603019 has 2 divisors, whose sum is σ = 99603020. Its totient is φ = 99603018.

The previous prime is 99602999. The next prime is 99603029. The reversal of 99603019 is 91030699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99603019 - 2⁷ = 99602891 is a prime.

It is a super-2 number, since 2×99603019² = 19841522787828722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99603029) 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, 49801509 + 49801510.

It is an arithmetic number, because the mean of its divisors is an integer number (49801510).

Almost surely, 2^99603019 is an apocalyptic number.

99603019 is a deficient number, since it is larger than the sum of its proper divisors (1).

99603019 is an equidigital number, since it uses as much as digits as its factorization.

99603019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 99603019 is about 9980.1312115623. The cubic root of 99603019 is about 463.5438612760.

The spelling of 99603019 in words is "ninety-nine million, six hundred three thousand, nineteen".