6708356813 has 2 divisors, whose sum is σ = 6708356814. Its totient is φ = 6708356812.

The previous prime is 6708356807. The next prime is 6708356833. The reversal of 6708356813 is 3186538076.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4821496969 + 1886859844 = 69437^2 + 43438^2 .

It is a cyclic number.

It is not a de Polignac number, because 6708356813 - 2¹⁸ = 6708094669 is a prime.

It is a super-2 number, since 2×6708356813² = 90004102261047033938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6708356833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3354178406 + 3354178407.

It is an arithmetic number, because the mean of its divisors is an integer number (3354178407).

Almost surely, 2^6708356813 is an apocalyptic number.

It is an amenable number.

6708356813 is a deficient number, since it is larger than the sum of its proper divisors (1).

6708356813 is an equidigital number, since it uses as much as digits as its factorization.

6708356813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 6708356813 is about 81904.5591710254. The cubic root of 6708356813 is about 1885.9871011062.

The spelling of 6708356813 in words is "six billion, seven hundred eight million, three hundred fifty-six thousand, eight hundred thirteen".