6135866397 has 24 divisors (see below), whose sum is σ = 9200318400. Its totient is φ = 4086508320.

The previous prime is 6135866351. The next prime is 6135866411. The reversal of 6135866397 is 7936685316.

It is not a de Polignac number, because 6135866397 - 2⁶ = 6135866333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6115866397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242872 + ... + 266942.

It is an arithmetic number, because the mean of its divisors is an integer number (383346600).

Almost surely, 2^6135866397 is an apocalyptic number.

It is an amenable number.

6135866397 is a deficient number, since it is larger than the sum of its proper divisors (3064452003).

6135866397 is a wasteful number, since it uses less digits than its factorization.

6135866397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25135 (or 25123 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 6135866397 is about 78331.7713127949. The cubic root of 6135866397 is about 1830.7342149264.

The spelling of 6135866397 in words is "six billion, one hundred thirty-five million, eight hundred sixty-six thousand, three hundred ninety-seven".