2539694827 has 2 divisors, whose sum is σ = 2539694828. Its totient is φ = 2539694826.

The previous prime is 2539694797. The next prime is 2539694849. The reversal of 2539694827 is 7284969352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2539694827 - 2⁷ = 2539694699 is a prime.

It is not a weakly prime, because it can be changed into another prime (2539694887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269847413 + 1269847414.

It is an arithmetic number, because the mean of its divisors is an integer number (1269847414).

Almost surely, 2^2539694827 is an apocalyptic number.

2539694827 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539694827 is an equidigital number, since it uses as much as digits as its factorization.

2539694827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 55.

The square root of 2539694827 is about 50395.3849771981. The cubic root of 2539694827 is about 1364.3543444265.

The spelling of 2539694827 in words is "two billion, five hundred thirty-nine million, six hundred ninety-four thousand, eight hundred twenty-seven".