6428312836 has 12 divisors (see below), whose sum is σ = 12272233680. Its totient is φ = 2921960360.

The previous prime is 6428312791. The next prime is 6428312843. The reversal of 6428312836 is 6382138246.

It is a junction number, because it is equal to n+sod(n) for n = 6428312792 and 6428312801.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73048966 + ... + 73049053.

It is an arithmetic number, because the mean of its divisors is an integer number (1022686140).

Almost surely, 2^6428312836 is an apocalyptic number.

It is an amenable number.

6428312836 is a deficient number, since it is larger than the sum of its proper divisors (5843920844).

6428312836 is a wasteful number, since it uses less digits than its factorization.

6428312836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146098034 (or 146098032 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 6428312836 is about 80176.7599495016. The cubic root of 6428312836 is about 1859.3693506938.

The spelling of 6428312836 in words is "six billion, four hundred twenty-eight million, three hundred twelve thousand, eight hundred thirty-six".