5135782609 has 2 divisors, whose sum is σ = 5135782610. Its totient is φ = 5135782608.

The previous prime is 5135782571. The next prime is 5135782643. The reversal of 5135782609 is 9062875315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5124412225 + 11370384 = 71585^2 + 3372^2 .

It is a cyclic number.

It is not a de Polignac number, because 5135782609 - 2¹³ = 5135774417 is a prime.

It is not a weakly prime, because it can be changed into another prime (5135782009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2567891304 + 2567891305.

It is an arithmetic number, because the mean of its divisors is an integer number (2567891305).

Almost surely, 2^5135782609 is an apocalyptic number.

It is an amenable number.

5135782609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5135782609 is an equidigital number, since it uses as much as digits as its factorization.

5135782609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 5135782609 is about 71664.3747548250. The cubic root of 5135782609 is about 1725.3169042080.

The spelling of 5135782609 in words is "five billion, one hundred thirty-five million, seven hundred eighty-two thousand, six hundred nine".