64632328841 has 2 divisors, whose sum is σ = 64632328842. Its totient is φ = 64632328840.

The previous prime is 64632328807. The next prime is 64632328853. The reversal of 64632328841 is 14882323646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62990458441 + 1641870400 = 250979^2 + 40520^2 .

It is a cyclic number.

It is not a de Polignac number, because 64632328841 - 2²⁶ = 64565219977 is a prime.

It is a super-2 number, since 2×64632328841² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64632328801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32316164420 + 32316164421.

It is an arithmetic number, because the mean of its divisors is an integer number (32316164421).

Almost surely, 2^64632328841 is an apocalyptic number.

It is an amenable number.

64632328841 is a deficient number, since it is larger than the sum of its proper divisors (1).

64632328841 is an equidigital number, since it uses as much as digits as its factorization.

64632328841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 47.

The spelling of 64632328841 in words is "sixty-four billion, six hundred thirty-two million, three hundred twenty-eight thousand, eight hundred forty-one".