6450804218 has 16 divisors (see below), whose sum is σ = 9812290560. Its totient is φ = 3180352896.

The previous prime is 6450804197. The next prime is 6450804221. The reversal of 6450804218 is 8124080546.

It is a happy number.

It is a super-2 number, since 2×6450804218² = 83225750117933183048, which contains 22 as substring.

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, 36503 + ... + 119306.

It is an arithmetic number, because the mean of its divisors is an integer number (613268160).

Almost surely, 2^6450804218 is an apocalyptic number.

6450804218 is a deficient number, since it is larger than the sum of its proper divisors (3361486342).

6450804218 is a wasteful number, since it uses less digits than its factorization.

6450804218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156101.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 6450804218 is about 80316.8987075572. The cubic root of 6450804218 is about 1861.5353471209.

The spelling of 6450804218 in words is "six billion, four hundred fifty million, eight hundred four thousand, two hundred eighteen".