57826030709 has 2 divisors, whose sum is σ = 57826030710. Its totient is φ = 57826030708.

The previous prime is 57826030667. The next prime is 57826030793. The reversal of 57826030709 is 90703062875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39606970225 + 18219060484 = 199015^2 + 134978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57826030709 is a prime.

It is a super-2 number, since 2×57826030709² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57826030309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28913015354 + 28913015355.

It is an arithmetic number, because the mean of its divisors is an integer number (28913015355).

Almost surely, 2^57826030709 is an apocalyptic number.

It is an amenable number.

57826030709 is a deficient number, since it is larger than the sum of its proper divisors (1).

57826030709 is an equidigital number, since it uses as much as digits as its factorization.

57826030709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 57826030709 in words is "fifty-seven billion, eight hundred twenty-six million, thirty thousand, seven hundred nine".