2113863499 has 8 divisors (see below), whose sum is σ = 2307821040. Its totient is φ = 1920204000.

The previous prime is 2113863473. The next prime is 2113863503. The reversal of 2113863499 is 9943683112.

It is a happy number.

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

It is not a de Polignac number, because 2113863499 - 2¹³ = 2113855307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113863469) 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, 59544 + ... + 88165.

It is an arithmetic number, because the mean of its divisors is an integer number (288477630).

Almost surely, 2^2113863499 is an apocalyptic number.

2113863499 is a deficient number, since it is larger than the sum of its proper divisors (193957541).

2113863499 is a wasteful number, since it uses less digits than its factorization.

2113863499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149021.

The product of its digits is 279936, while the sum is 46.

The square root of 2113863499 is about 45976.7712981240. The cubic root of 2113863499 is about 1283.3909718907.

The spelling of 2113863499 in words is "two billion, one hundred thirteen million, eight hundred sixty-three thousand, four hundred ninety-nine".