64217411941 has 2 divisors, whose sum is σ = 64217411942. Its totient is φ = 64217411940.

The previous prime is 64217411917. The next prime is 64217411959. The reversal of 64217411941 is 14911471246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55651169025 + 8566242916 = 235905^2 + 92554^2 .

It is a cyclic number.

It is not a de Polignac number, because 64217411941 - 2⁷ = 64217411813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64217411894 and 64217411903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64217411341) 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, 32108705970 + 32108705971.

It is an arithmetic number, because the mean of its divisors is an integer number (32108705971).

Almost surely, 2^64217411941 is an apocalyptic number.

It is an amenable number.

64217411941 is a deficient number, since it is larger than the sum of its proper divisors (1).

64217411941 is an equidigital number, since it uses as much as digits as its factorization.

64217411941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The spelling of 64217411941 in words is "sixty-four billion, two hundred seventeen million, four hundred eleven thousand, nine hundred forty-one".