64152663646441 has 2 divisors, whose sum is σ = 64152663646442. Its totient is φ = 64152663646440.

The previous prime is 64152663646439. The next prime is 64152663646447. The reversal of 64152663646441 is 14464636625146.

64152663646441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35262468644841 + 28890195001600 = 5938221^2 + 5374960^2 .

It is a cyclic number.

It is not a de Polignac number, because 64152663646441 - 2¹ = 64152663646439 is a prime.

Together with 64152663646439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64152663646447) 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, 32076331823220 + 32076331823221.

It is an arithmetic number, because the mean of its divisors is an integer number (32076331823221).

Almost surely, 2^{64152663646441} is an apocalyptic number.

It is an amenable number.

64152663646441 is a deficient number, since it is larger than the sum of its proper divisors (1).

64152663646441 is an equidigital number, since it uses as much as digits as its factorization.

64152663646441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59719680, while the sum is 58.

The spelling of 64152663646441 in words is "sixty-four trillion, one hundred fifty-two billion, six hundred sixty-three million, six hundred forty-six thousand, four hundred forty-one".