6632426551 has 2 divisors, whose sum is σ = 6632426552. Its totient is φ = 6632426550.

The previous prime is 6632426503. The next prime is 6632426557. The reversal of 6632426551 is 1556242366.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6632426551 - 2⁹ = 6632426039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6632426557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3316213275 + 3316213276.

It is an arithmetic number, because the mean of its divisors is an integer number (3316213276).

Almost surely, 2^6632426551 is an apocalyptic number.

6632426551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6632426551 is an equidigital number, since it uses as much as digits as its factorization.

6632426551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 40.

The square root of 6632426551 is about 81439.7111426606. The cubic root of 6632426551 is about 1878.8444074355.

The spelling of 6632426551 in words is "six billion, six hundred thirty-two million, four hundred twenty-six thousand, five hundred fifty-one".