6706412129 has 4 divisors (see below), whose sum is σ = 6715272084. Its totient is φ = 6697552176.

The previous prime is 6706412123. The next prime is 6706412213. The reversal of 6706412129 is 9212146076.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3926275600 + 2780136529 = 62660^2 + 52727^2 .

It is a cyclic number.

It is not a de Polignac number, because 6706412129 - 2⁴ = 6706412113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6706412092 and 6706412101.

It is not an unprimeable number, because it can be changed into a prime (6706412123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4428842 + ... + 4430355.

It is an arithmetic number, because the mean of its divisors is an integer number (1678818021).

Almost surely, 2^6706412129 is an apocalyptic number.

It is an amenable number.

6706412129 is a deficient number, since it is larger than the sum of its proper divisors (8859955).

6706412129 is an equidigital number, since it uses as much as digits as its factorization.

6706412129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859954.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 6706412129 is about 81892.6866637064. The cubic root of 6706412129 is about 1885.8048407055.

The spelling of 6706412129 in words is "six billion, seven hundred six million, four hundred twelve thousand, one hundred twenty-nine".