6451139713 has 2 divisors, whose sum is σ = 6451139714. Its totient is φ = 6451139712.

The previous prime is 6451139683. The next prime is 6451139731. The reversal of 6451139713 is 3179311546.

Together with next prime (6451139731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6220950129 + 230189584 = 78873^2 + 15172^2 .

It is a cyclic number.

It is not a de Polignac number, because 6451139713 - 2¹³ = 6451131521 is a prime.

It is not a weakly prime, because it can be changed into another prime (6451139743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225569856 + 3225569857.

It is an arithmetic number, because the mean of its divisors is an integer number (3225569857).

Almost surely, 2^6451139713 is an apocalyptic number.

It is an amenable number.

6451139713 is a deficient number, since it is larger than the sum of its proper divisors (1).

6451139713 is an equidigital number, since it uses as much as digits as its factorization.

6451139713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 6451139713 is about 80318.9872508363. The cubic root of 6451139713 is about 1861.5676182896.

The spelling of 6451139713 in words is "six billion, four hundred fifty-one million, one hundred thirty-nine thousand, seven hundred thirteen".