2506323645099 has 12 divisors (see below), whose sum is σ = 3620414453656. Its totient is φ = 1670804343072.

The previous prime is 2506323645097. The next prime is 2506323645121. The reversal of 2506323645099 is 9905463236052.

It is a happy number.

2506323645099 is a `hidden beast` number, since 2 + 50 + 6 + 3 + 23 + 64 + 509 + 9 = 666.

2506323645099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2506323645099 - 2¹ = 2506323645097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2506323645097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6303637 + ... + 6689430.

Almost surely, 2^{2506323645099} is an apocalyptic number.

2506323645099 is a deficient number, since it is larger than the sum of its proper divisors (1114090808557).

2506323645099 is a wasteful number, since it uses less digits than its factorization.

2506323645099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13014506 (or 13014503 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 54.

The spelling of 2506323645099 in words is "two trillion, five hundred six billion, three hundred twenty-three million, six hundred forty-five thousand, ninety-nine".