6305136646 has 16 divisors (see below), whose sum is σ = 9485684208. Its totient is φ = 3143253600.

The previous prime is 6305136637. The next prime is 6305136659. The reversal of 6305136646 is 6466315036.

It is a junction number, because it is equal to n+sod(n) for n = 6305136599 and 6305136608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891201 + ... + 1894531.

It is an arithmetic number, because the mean of its divisors is an integer number (592855263).

Almost surely, 2^6305136646 is an apocalyptic number.

6305136646 is a deficient number, since it is larger than the sum of its proper divisors (3180547562).

6305136646 is a wasteful number, since it uses less digits than its factorization.

6305136646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 6305136646 is about 79404.8905672692. The cubic root of 6305136646 is about 1847.4165689699.

The spelling of 6305136646 in words is "six billion, three hundred five million, one hundred thirty-six thousand, six hundred forty-six".