6813129061 has 2 divisors, whose sum is σ = 6813129062. Its totient is φ = 6813129060.

The previous prime is 6813129019. The next prime is 6813129073. The reversal of 6813129061 is 1609213186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5124412225 + 1688716836 = 71585^2 + 41094^2 .

It is a cyclic number.

It is not a de Polignac number, because 6813129061 - 2¹³ = 6813120869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6813129061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6813123061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3406564530 + 3406564531.

It is an arithmetic number, because the mean of its divisors is an integer number (3406564531).

Almost surely, 2^6813129061 is an apocalyptic number.

It is an amenable number.

6813129061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6813129061 is an equidigital number, since it uses as much as digits as its factorization.

6813129061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 6813129061 is about 82541.6807497885. The cubic root of 6813129061 is about 1895.7549789784.

The spelling of 6813129061 in words is "six billion, eight hundred thirteen million, one hundred twenty-nine thousand, sixty-one".