6464244346 has 96 divisors (see below), whose sum is σ = 12058865280. Its totient is φ = 2585810304.

The previous prime is 6464244299. The next prime is 6464244349. The reversal of 6464244346 is 6434424646.

It is not an unprimeable number, because it can be changed into a prime (6464244349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20391780 + ... + 20392096.

It is an arithmetic number, because the mean of its divisors is an integer number (125613180).

Almost surely, 2^6464244346 is an apocalyptic number.

6464244346 is a deficient number, since it is larger than the sum of its proper divisors (5594620934).

6464244346 is a wasteful number, since it uses less digits than its factorization.

6464244346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 541 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 43.

The square root of 6464244346 is about 80400.5245380899. The cubic root of 6464244346 is about 1862.8272748069.

The spelling of 6464244346 in words is "six billion, four hundred sixty-four million, two hundred forty-four thousand, three hundred forty-six".