6449133576 has 64 divisors (see below), whose sum is σ = 17181849600. Its totient is φ = 2012487488.

The previous prime is 6449133569. The next prime is 6449133629. The reversal of 6449133576 is 6753319446.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98346 + ... + 150233.

It is an arithmetic number, because the mean of its divisors is an integer number (268466400).

Almost surely, 2^6449133576 is an apocalyptic number.

It is an amenable number.

6449133576 is an abundant number, since it is smaller than the sum of its proper divisors (10732716024).

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

6449133576 is a wasteful number, since it uses less digits than its factorization.

6449133576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248658 (or 248654 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 48.

The square root of 6449133576 is about 80306.4977196740. The cubic root of 6449133576 is about 1861.3746318807.

The spelling of 6449133576 in words is "six billion, four hundred forty-nine million, one hundred thirty-three thousand, five hundred seventy-six".