64017447701 has 2 divisors, whose sum is σ = 64017447702. Its totient is φ = 64017447700.

The previous prime is 64017447691. The next prime is 64017447709. The reversal of 64017447701 is 10774471046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64016590225 + 857476 = 253015^2 + 926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64017447701 is a prime.

It is a super-2 number, since 2×64017447701² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64017447709) 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, 32008723850 + 32008723851.

It is an arithmetic number, because the mean of its divisors is an integer number (32008723851).

Almost surely, 2^64017447701 is an apocalyptic number.

It is an amenable number.

64017447701 is a deficient number, since it is larger than the sum of its proper divisors (1).

64017447701 is an equidigital number, since it uses as much as digits as its factorization.

64017447701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 41.

The spelling of 64017447701 in words is "sixty-four billion, seventeen million, four hundred forty-seven thousand, seven hundred one".