6397658934 has 8 divisors (see below), whose sum is σ = 12795317880. Its totient is φ = 2132552976.

The previous prime is 6397658933. The next prime is 6397658947. The reversal of 6397658934 is 4398567936.

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

6397658934 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397658933) 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, 533138239 + ... + 533138250.

It is an arithmetic number, because the mean of its divisors is an integer number (1599414735).

Almost surely, 2^6397658934 is an apocalyptic number.

6397658934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6397658934 is a wasteful number, since it uses less digits than its factorization.

6397658934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066276494.

The product of its digits is 29393280, while the sum is 60.

The square root of 6397658934 is about 79985.3669992206. The cubic root of 6397658934 is about 1856.4091252992.

The spelling of 6397658934 in words is "six billion, three hundred ninety-seven million, six hundred fifty-eight thousand, nine hundred thirty-four".