5151511709 has 2 divisors, whose sum is σ = 5151511710. Its totient is φ = 5151511708.

The previous prime is 5151511693. The next prime is 5151511721. The reversal of 5151511709 is 9071151515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2753940484 + 2397571225 = 52478^2 + 48965^2 .

It is a cyclic number.

It is not a de Polignac number, because 5151511709 - 2⁴ = 5151511693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5151511759) 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, 2575755854 + 2575755855.

It is an arithmetic number, because the mean of its divisors is an integer number (2575755855).

Almost surely, 2^5151511709 is an apocalyptic number.

It is an amenable number.

5151511709 is a deficient number, since it is larger than the sum of its proper divisors (1).

5151511709 is an equidigital number, since it uses as much as digits as its factorization.

5151511709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 35.

The square root of 5151511709 is about 71774.0322749112. The cubic root of 5151511709 is about 1727.0764558885.

The spelling of 5151511709 in words is "five billion, one hundred fifty-one million, five hundred eleven thousand, seven hundred nine".