99941519 has 4 divisors (see below), whose sum is σ = 100019640. Its totient is φ = 99863400.

The previous prime is 99941483. The next prime is 99941533. The reversal of 99941519 is 91514999.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99941519 - 2⁸ = 99941263 is a prime.

It is a super-2 number, since 2×99941519² = 19976614440054722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99941579) 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, 37109 + ... + 39710.

It is an arithmetic number, because the mean of its divisors is an integer number (25004910).

Almost surely, 2^99941519 is an apocalyptic number.

99941519 is a deficient number, since it is larger than the sum of its proper divisors (78121).

99941519 is a wasteful number, since it uses less digits than its factorization.

99941519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78120.

The product of its digits is 131220, while the sum is 47.

The square root of 99941519 is about 9997.0755223715. The cubic root of 99941519 is about 464.0683841318.

The spelling of 99941519 in words is "ninety-nine million, nine hundred forty-one thousand, five hundred nineteen".