6407634197 has 4 divisors (see below), whose sum is σ = 6414668736. Its totient is φ = 6400599660.

The previous prime is 6407634143. The next prime is 6407634217. The reversal of 6407634197 is 7914367046.

It is a happy number.

6407634197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6407634197 - 2⁶ = 6407634133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6407634097) 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, 3515903 + ... + 3517724.

It is an arithmetic number, because the mean of its divisors is an integer number (1603667184).

Almost surely, 2^6407634197 is an apocalyptic number.

It is an amenable number.

6407634197 is a deficient number, since it is larger than the sum of its proper divisors (7034539).

6407634197 is an equidigital number, since it uses as much as digits as its factorization.

6407634197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034538.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 6407634197 is about 80047.6995109791. The cubic root of 6407634197 is about 1857.3734651845.

The spelling of 6407634197 in words is "six billion, four hundred seven million, six hundred thirty-four thousand, one hundred ninety-seven".