6436446346 has 16 divisors (see below), whose sum is σ = 11086702560. Its totient is φ = 2771675280.

The previous prime is 6436446307. The next prime is 6436446371.

It is a happy number.

6436446346 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6436446296 and 6436446305.

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, 7698681 + ... + 7699516.

It is an arithmetic number, because the mean of its divisors is an integer number (692918910).

Almost surely, 2^6436446346 is an apocalyptic number.

6436446346 is a deficient number, since it is larger than the sum of its proper divisors (4650256214).

6436446346 is a wasteful number, since it uses less digits than its factorization.

6436446346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15398229.

The product of its digits is 2985984, while the sum is 46.

The square root of 6436446346 is about 80227.4662818165. The cubic root of 6436446346 is about 1860.1532176169.

The spelling of 6436446346 in words is "six billion, four hundred thirty-six million, four hundred forty-six thousand, three hundred forty-six".