6441532051 has 2 divisors, whose sum is σ = 6441532052. Its totient is φ = 6441532050.

The previous prime is 6441532049. The next prime is 6441532087. The reversal of 6441532051 is 1502351446.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6441532051 - 2¹ = 6441532049 is a prime.

Together with 6441532049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6441532001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220766025 + 3220766026.

It is an arithmetic number, because the mean of its divisors is an integer number (3220766026).

Almost surely, 2^6441532051 is an apocalyptic number.

6441532051 is a deficient number, since it is larger than the sum of its proper divisors (1).

6441532051 is an equidigital number, since it uses as much as digits as its factorization.

6441532051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 6441532051 is about 80259.1555587274. The cubic root of 6441532051 is about 1860.6430168774.

Adding to 6441532051 its reverse (1502351446), we get a palindrome (7943883497).

The spelling of 6441532051 in words is "six billion, four hundred forty-one million, five hundred thirty-two thousand, fifty-one".