2146815099 has 48 divisors (see below), whose sum is σ = 3720697344. Its totient is φ = 1175428800.

The previous prime is 2146815091. The next prime is 2146815109. The reversal of 2146815099 is 9905186412.

2146815099 is a `hidden beast` number, since 21 + 46 + 81 + 509 + 9 = 666.

It is not a de Polignac number, because 2146815099 - 2³ = 2146815091 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2146815091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42744 + ... + 78234.

It is an arithmetic number, because the mean of its divisors is an integer number (77514528).

Almost surely, 2^2146815099 is an apocalyptic number.

2146815099 is a deficient number, since it is larger than the sum of its proper divisors (1573882245).

2146815099 is a wasteful number, since it uses less digits than its factorization.

2146815099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35568 (or 35565 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 2146815099 is about 46333.7360785853. The cubic root of 2146815099 is about 1290.0252582038.

The spelling of 2146815099 in words is "two billion, one hundred forty-six million, eight hundred fifteen thousand, ninety-nine".