2439509057 has 2 divisors, whose sum is σ = 2439509058. Its totient is φ = 2439509056.

The previous prime is 2439508997. The next prime is 2439509081. The reversal of 2439509057 is 7509059342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1464133696 + 975375361 = 38264^2 + 31231^2 .

It is a cyclic number.

It is not a de Polignac number, because 2439509057 - 2⁸ = 2439508801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2439508999 and 2439509017.

It is not a weakly prime, because it can be changed into another prime (2439509857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219754528 + 1219754529.

It is an arithmetic number, because the mean of its divisors is an integer number (1219754529).

Almost surely, 2^2439509057 is an apocalyptic number.

It is an amenable number.

2439509057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2439509057 is an equidigital number, since it uses as much as digits as its factorization.

2439509057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 2439509057 is about 49391.3864656582. The cubic root of 2439509057 is about 1346.1728012593.

The spelling of 2439509057 in words is "two billion, four hundred thirty-nine million, five hundred nine thousand, fifty-seven".