6456344236 has 6 divisors (see below), whose sum is σ = 11298602420. Its totient is φ = 3228172116.

The previous prime is 6456344233. The next prime is 6456344243. The reversal of 6456344236 is 6324436546.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6456344192 and 6456344201.

It is not an unprimeable number, because it can be changed into a prime (6456344233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807043026 + ... + 807043033.

Almost surely, 2^6456344236 is an apocalyptic number.

It is an amenable number.

6456344236 is a deficient number, since it is larger than the sum of its proper divisors (4842258184).

6456344236 is a wasteful number, since it uses less digits than its factorization.

6456344236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614086063 (or 1614086061 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 43.

The square root of 6456344236 is about 80351.3798014695. The cubic root of 6456344236 is about 1862.0680966357.

The spelling of 6456344236 in words is "six billion, four hundred fifty-six million, three hundred forty-four thousand, two hundred thirty-six".