99530419 has 4 divisors (see below), whose sum is σ = 99617896. Its totient is φ = 99442944.

The previous prime is 99530401. The next prime is 99530489. The reversal of 99530419 is 91403599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91403599 = 7 ⋅13057657.

It is a cyclic number.

It is not a de Polignac number, because 99530419 - 2¹⁷ = 99399347 is a prime.

It is a super-2 number, since 2×99530419² = 19812608612631122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99530489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42009 + ... + 44314.

It is an arithmetic number, because the mean of its divisors is an integer number (24904474).

Almost surely, 2^99530419 is an apocalyptic number.

99530419 is a deficient number, since it is larger than the sum of its proper divisors (87477).

99530419 is a wasteful number, since it uses less digits than its factorization.

99530419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87476.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 99530419 is about 9976.4933218040. The cubic root of 99530419 is about 463.4312091880.

The spelling of 99530419 in words is "ninety-nine million, five hundred thirty thousand, four hundred nineteen".