99994919 has 2 divisors, whose sum is σ = 99994920. Its totient is φ = 99994918.

The previous prime is 99994907. The next prime is 99994963. The reversal of 99994919 is 91949999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99994919 - 2²⁰ = 98946343 is a prime.

It is a super-2 number, since 2×99994919² = 19997967651633122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99994319) 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, 49997459 + 49997460.

It is an arithmetic number, because the mean of its divisors is an integer number (49997460).

Almost surely, 2^99994919 is an apocalyptic number.

99994919 is a deficient number, since it is larger than the sum of its proper divisors (1).

99994919 is an equidigital number, since it uses as much as digits as its factorization.

99994919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2125764, while the sum is 59.

The square root of 99994919 is about 9999.7459467728. The cubic root of 99994919 is about 464.1510219238.

The spelling of 99994919 in words is "ninety-nine million, nine hundred ninety-four thousand, nine hundred nineteen".