64425211434377 has 2 divisors, whose sum is σ = 64425211434378. Its totient is φ = 64425211434376.

The previous prime is 64425211434341. The next prime is 64425211434403. The reversal of 64425211434377 is 77343411252446.

64425211434377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60358277745481 + 4066933688896 = 7769059^2 + 2016664^2 .

It is a cyclic number.

It is not a de Polignac number, because 64425211434377 - 2⁶ = 64425211434313 is a prime.

It is not a weakly prime, because it can be changed into another prime (64425211434317) 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, 32212605717188 + 32212605717189.

It is an arithmetic number, because the mean of its divisors is an integer number (32212605717189).

Almost surely, 2^{64425211434377} is an apocalyptic number.

It is an amenable number.

64425211434377 is a deficient number, since it is larger than the sum of its proper divisors (1).

64425211434377 is an equidigital number, since it uses as much as digits as its factorization.

64425211434377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 53.

The spelling of 64425211434377 in words is "sixty-four trillion, four hundred twenty-five billion, two hundred eleven million, four hundred thirty-four thousand, three hundred seventy-seven".