6449598522 has 12 divisors (see below), whose sum is σ = 13974130170. Its totient is φ = 2149866168.

The previous prime is 6449598443. The next prime is 6449598539. The reversal of 6449598522 is 2258959446.

6449598522 is a `hidden beast` number, since 6 + 4 + 49 + 598 + 5 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6448250601 + 1347921 = 80301^2 + 1161^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179155497 + ... + 179155532.

Almost surely, 2^6449598522 is an apocalyptic number.

6449598522 is an abundant number, since it is smaller than the sum of its proper divisors (7524531648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6449598522 is a wasteful number, since it uses less digits than its factorization.

6449598522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358311037 (or 358311034 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 6449598522 is about 80309.3924892973. The cubic root of 6449598522 is about 1861.4193623282.

The spelling of 6449598522 in words is "six billion, four hundred forty-nine million, five hundred ninety-eight thousand, five hundred twenty-two".