64232063251 has 2 divisors, whose sum is σ = 64232063252. Its totient is φ = 64232063250.

The previous prime is 64232063227. The next prime is 64232063261. The reversal of 64232063251 is 15236023246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64232063251 - 2⁷ = 64232063123 is a prime.

It is not a weakly prime, because it can be changed into another prime (64232063201) 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, 32116031625 + 32116031626.

It is an arithmetic number, because the mean of its divisors is an integer number (32116031626).

Almost surely, 2^64232063251 is an apocalyptic number.

64232063251 is a deficient number, since it is larger than the sum of its proper divisors (1).

64232063251 is an equidigital number, since it uses as much as digits as its factorization.

64232063251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 64232063251 its reverse (15236023246), we get a palindrome (79468086497).

The spelling of 64232063251 in words is "sixty-four billion, two hundred thirty-two million, sixty-three thousand, two hundred fifty-one".