6397234863 has 8 divisors (see below), whose sum is σ = 8565040176. Its totient is φ = 4247126400.

The previous prime is 6397234853. The next prime is 6397234889. The reversal of 6397234863 is 3684327936.

It is a happy number.

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

It is not a de Polignac number, because 6397234863 - 2⁶ = 6397234799 is a prime.

It is a super-2 number, since 2×6397234863² = 81849227784765257538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397234853) 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, 4423368 + ... + 4424813.

It is an arithmetic number, because the mean of its divisors is an integer number (1070630022).

Almost surely, 2^6397234863 is an apocalyptic number.

6397234863 is a deficient number, since it is larger than the sum of its proper divisors (2167805313).

6397234863 is a wasteful number, since it uses less digits than its factorization.

6397234863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8848425.

The product of its digits is 3919104, while the sum is 51.

The square root of 6397234863 is about 79982.7160266517. The cubic root of 6397234863 is about 1856.3681068226.

The spelling of 6397234863 in words is "six billion, three hundred ninety-seven million, two hundred thirty-four thousand, eight hundred sixty-three".