2539459427 has 2 divisors, whose sum is σ = 2539459428. Its totient is φ = 2539459426.

The previous prime is 2539459387. The next prime is 2539459477. The reversal of 2539459427 is 7249549352.

It is a happy number.

It is an a-pointer prime, because the next prime (2539459477) can be obtained adding 2539459427 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2539459427 - 2⁸ = 2539459171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2539459477) 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, 1269729713 + 1269729714.

It is an arithmetic number, because the mean of its divisors is an integer number (1269729714).

Almost surely, 2^2539459427 is an apocalyptic number.

2539459427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539459427 is an equidigital number, since it uses as much as digits as its factorization.

2539459427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 50.

The square root of 2539459427 is about 50393.0493917564. The cubic root of 2539459427 is about 1364.3121898950.

The spelling of 2539459427 in words is "two billion, five hundred thirty-nine million, four hundred fifty-nine thousand, four hundred twenty-seven".