5126908609 has 2 divisors, whose sum is σ = 5126908610. Its totient is φ = 5126908608.

The previous prime is 5126908573. The next prime is 5126908639. The reversal of 5126908609 is 9068096215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3627050625 + 1499857984 = 60225^2 + 38728^2 .

It is a cyclic number.

It is not a de Polignac number, because 5126908609 - 2⁷ = 5126908481 is a prime.

It is not a weakly prime, because it can be changed into another prime (5126908639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2563454304 + 2563454305.

It is an arithmetic number, because the mean of its divisors is an integer number (2563454305).

Almost surely, 2^5126908609 is an apocalyptic number.

It is an amenable number.

5126908609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5126908609 is an equidigital number, since it uses as much as digits as its factorization.

5126908609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 5126908609 is about 71602.4343790070. The cubic root of 5126908609 is about 1724.3226195944.

The spelling of 5126908609 in words is "five billion, one hundred twenty-six million, nine hundred eight thousand, six hundred nine".