6634396707 has 8 divisors (see below), whose sum is σ = 9131212800. Its totient is φ = 4280255880.

The previous prime is 6634396679. The next prime is 6634396711. The reversal of 6634396707 is 7076934366.

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

It is not a de Polignac number, because 6634396707 - 2⁷ = 6634396579 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 6634396707.

It is not an unprimeable number, because it can be changed into a prime (6634396607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35668707 + ... + 35668892.

It is an arithmetic number, because the mean of its divisors is an integer number (1141401600).

Almost surely, 2^6634396707 is an apocalyptic number.

6634396707 is a deficient number, since it is larger than the sum of its proper divisors (2496816093).

6634396707 is a wasteful number, since it uses less digits than its factorization.

6634396707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71337633.

The product of its (nonzero) digits is 3429216, while the sum is 51.

The square root of 6634396707 is about 81451.8060389087. The cubic root of 6634396707 is about 1879.0304253328.

The spelling of 6634396707 in words is "six billion, six hundred thirty-four million, three hundred ninety-six thousand, seven hundred seven".