6474537218 has 6 divisors (see below), whose sum is σ = 9711976521. Its totient is φ = 3237211712.

The previous prime is 6474537211. The next prime is 6474537233. The reversal of 6474537218 is 8127354746.

It can be written as a sum of positive squares in 2 ways, for example, as 3810222529 + 2664314689 = 61727^2 + 51617^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=56897.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6474537211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 85346 + ... + 142242.

Almost surely, 2^6474537218 is an apocalyptic number.

6474537218 is a deficient number, since it is larger than the sum of its proper divisors (3237439303).

6474537218 is an frugal number, since it uses more digits than its factorization.

6474537218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113796 (or 56899 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The square root of 6474537218 is about 80464.5090583420. The cubic root of 6474537218 is about 1863.8154632669.

The spelling of 6474537218 in words is "six billion, four hundred seventy-four million, five hundred thirty-seven thousand, two hundred eighteen".