2506323645139 has 2 divisors, whose sum is σ = 2506323645140. Its totient is φ = 2506323645138.

The previous prime is 2506323645121. The next prime is 2506323645151. The reversal of 2506323645139 is 9315463236052.

2506323645139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2506323645139 - 2³³ = 2497733710547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2506323645092 and 2506323645101.

It is not a weakly prime, because it can be changed into another prime (2506323642139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253161822569 + 1253161822570.

It is an arithmetic number, because the mean of its divisors is an integer number (1253161822570).

Almost surely, 2^{2506323645139} is an apocalyptic number.

2506323645139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506323645139 is an equidigital number, since it uses as much as digits as its factorization.

2506323645139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 2506323645139 in words is "two trillion, five hundred six billion, three hundred twenty-three million, six hundred forty-five thousand, one hundred thirty-nine".