99919103 has 2 divisors, whose sum is σ = 99919104. Its totient is φ = 99919102.

The previous prime is 99919087. The next prime is 99919111. The reversal of 99919103 is 30191999.

It is a strong prime.

It is an emirp because it is prime and its reverse (30191999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99919103 - 2⁴ = 99919087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99919903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49959551 + 49959552.

It is an arithmetic number, because the mean of its divisors is an integer number (49959552).

Almost surely, 2^99919103 is an apocalyptic number.

99919103 is a deficient number, since it is larger than the sum of its proper divisors (1).

99919103 is an equidigital number, since it uses as much as digits as its factorization.

99919103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19683, while the sum is 41.

The square root of 99919103 is about 9995.9543316284. The cubic root of 99919103 is about 464.0336860576.

It can be divided in two parts, 999 and 19103, that added together give a palindrome (20102).

The spelling of 99919103 in words is "ninety-nine million, nine hundred nineteen thousand, one hundred three".