99412619 has 2 divisors, whose sum is σ = 99412620. Its totient is φ = 99412618.

The previous prime is 99412591. The next prime is 99412627. The reversal of 99412619 is 91621499.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (91621499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99412619 - 2²⁴ = 82635403 is a prime.

It is a super-2 number, since 2×99412619² = 19765737632878322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99412519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49706309 + 49706310.

It is an arithmetic number, because the mean of its divisors is an integer number (49706310).

Almost surely, 2^99412619 is an apocalyptic number.

99412619 is a deficient number, since it is larger than the sum of its proper divisors (1).

99412619 is an equidigital number, since it uses as much as digits as its factorization.

99412619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 41.

The square root of 99412619 is about 9970.5876958181. The cubic root of 99412619 is about 463.2483044746.

The spelling of 99412619 in words is "ninety-nine million, four hundred twelve thousand, six hundred nineteen".