6432252651 has 144 divisors (see below), whose sum is σ = 11476823904. Its totient is φ = 3428352000.

The previous prime is 6432252643. The next prime is 6432252683. The reversal of 6432252651 is 1562522346.

6432252651 is a `hidden beast` number, since 64 + 3 + 22 + 526 + 51 = 666.

It is not a de Polignac number, because 6432252651 - 2³ = 6432252643 is a prime.

Its product of digits (86400) is a multiple of the sum of its prime divisors (200).

It is not an unprimeable number, because it can be changed into a prime (6432252551) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 66311835 + ... + 66311931.

It is an arithmetic number, because the mean of its divisors is an integer number (79700166).

Almost surely, 2^6432252651 is an apocalyptic number.

6432252651 is a deficient number, since it is larger than the sum of its proper divisors (5044571253).

6432252651 is a wasteful number, since it uses less digits than its factorization.

6432252651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 200 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 6432252651 is about 80201.3257434065. The cubic root of 6432252651 is about 1859.7491328325.

Adding to 6432252651 its reverse (1562522346), we get a palindrome (7994774997).

The spelling of 6432252651 in words is "six billion, four hundred thirty-two million, two hundred fifty-two thousand, six hundred fifty-one".