64211832801791 has 2 divisors, whose sum is σ = 64211832801792. Its totient is φ = 64211832801790.

The previous prime is 64211832801773. The next prime is 64211832801821. The reversal of 64211832801791 is 19710823811246.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64211832801791 - 2¹⁰ = 64211832800767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64211832801751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32105916400895 + 32105916400896.

It is an arithmetic number, because the mean of its divisors is an integer number (32105916400896).

Almost surely, 2^{64211832801791} is an apocalyptic number.

64211832801791 is a deficient number, since it is larger than the sum of its proper divisors (1).

64211832801791 is an equidigital number, since it uses as much as digits as its factorization.

64211832801791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 64211832801791 in words is "sixty-four trillion, two hundred eleven billion, eight hundred thirty-two million, eight hundred one thousand, seven hundred ninety-one".