99042519 has 8 divisors (see below), whose sum is σ = 133364592. Its totient is φ = 65374400.

The previous prime is 99042509. The next prime is 99042539. The reversal of 99042519 is 91524099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99042519 - 2⁸ = 99042263 is a prime.

It is a super-2 number, since 2×99042519² = 19618841139730722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99042509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163134 + ... + 163739.

It is an arithmetic number, because the mean of its divisors is an integer number (16670574).

Almost surely, 2^99042519 is an apocalyptic number.

99042519 is a deficient number, since it is larger than the sum of its proper divisors (34322073).

99042519 is a wasteful number, since it uses less digits than its factorization.

99042519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326977.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 99042519 is about 9952.0108018430. The cubic root of 99042519 is about 462.6727189336.

The spelling of 99042519 in words is "ninety-nine million, forty-two thousand, five hundred nineteen".