6425206706 has 8 divisors (see below), whose sum is σ = 10145063280. Its totient is φ = 3043518948.

The previous prime is 6425206681. The next prime is 6425206717. The reversal of 6425206706 is 6076025246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 169084387 = 6425206706 / (6 + 4 + 2 + 5 + 2 + 0 + 6 + 7 + 0 + 6).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6425206706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84542156 + ... + 84542231.

It is an arithmetic number, because the mean of its divisors is an integer number (1268132910).

Almost surely, 2^6425206706 is an apocalyptic number.

6425206706 is a deficient number, since it is larger than the sum of its proper divisors (3719856574).

6425206706 is a wasteful number, since it uses less digits than its factorization.

6425206706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169084408.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 6425206706 is about 80157.3870956383. The cubic root of 6425206706 is about 1859.0698229878.

The spelling of 6425206706 in words is "six billion, four hundred twenty-five million, two hundred six thousand, seven hundred six".