6452827821 has 96 divisors (see below), whose sum is σ = 10821178368. Its totient is φ = 3809773440.

The previous prime is 6452827811. The next prime is 6452827837. The reversal of 6452827821 is 1287282546.

It is not a de Polignac number, because 6452827821 - 2⁵ = 6452827789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6452827811) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24535336 + ... + 24535598.

It is an arithmetic number, because the mean of its divisors is an integer number (112720608).

Almost surely, 2^6452827821 is an apocalyptic number.

It is an amenable number.

6452827821 is a deficient number, since it is larger than the sum of its proper divisors (4368350547).

6452827821 is a wasteful number, since it uses less digits than its factorization.

6452827821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 481 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 6452827821 is about 80329.4953363956. The cubic root of 6452827821 is about 1861.7299799425.

The spelling of 6452827821 in words is "six billion, four hundred fifty-two million, eight hundred twenty-seven thousand, eight hundred twenty-one".