2106019499 has 8 divisors (see below), whose sum is σ = 2121467040. Its totient is φ = 2090592000.

The previous prime is 2106019481. The next prime is 2106019511. The reversal of 2106019499 is 9949106012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2106019499 is a prime.

It is a super-2 number, since 2×2106019499² = 8870636260336422002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106019439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253979 + ... + 262139.

It is an arithmetic number, because the mean of its divisors is an integer number (265183380).

Almost surely, 2^2106019499 is an apocalyptic number.

2106019499 is a deficient number, since it is larger than the sum of its proper divisors (15447541).

2106019499 is a wasteful number, since it uses less digits than its factorization.

2106019499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10021.

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

The square root of 2106019499 is about 45891.3880700944. The cubic root of 2106019499 is about 1281.8015604597.

The spelling of 2106019499 in words is "two billion, one hundred six million, nineteen thousand, four hundred ninety-nine".