6441775132 has 48 divisors (see below), whose sum is σ = 12479272960. Its totient is φ = 2890738368.

The previous prime is 6441775127. The next prime is 6441775139. The reversal of 6441775132 is 2315771446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441775139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492169 + ... + 505087.

Almost surely, 2^6441775132 is an apocalyptic number.

It is an amenable number.

6441775132 is a deficient number, since it is larger than the sum of its proper divisors (6037497828).

6441775132 is a wasteful number, since it uses less digits than its factorization.

6441775132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13202 (or 13200 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 6441775132 is about 80260.6698950364. The cubic root of 6441775132 is about 1860.6664213136. Note that the first 3 decimals are identical.

The spelling of 6441775132 in words is "six billion, four hundred forty-one million, seven hundred seventy-five thousand, one hundred thirty-two".