64266033641 has 2 divisors, whose sum is σ = 64266033642. Its totient is φ = 64266033640.

The previous prime is 64266033617. The next prime is 64266033677. The reversal of 64266033641 is 14633066246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64264278016 + 1755625 = 253504^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 64266033641 - 2³⁴ = 47086164457 is a prime.

It is a super-2 number, since 2×64266033641² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64266033341) 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, 32133016820 + 32133016821.

It is an arithmetic number, because the mean of its divisors is an integer number (32133016821).

Almost surely, 2^64266033641 is an apocalyptic number.

It is an amenable number.

64266033641 is a deficient number, since it is larger than the sum of its proper divisors (1).

64266033641 is an equidigital number, since it uses as much as digits as its factorization.

64266033641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 41.

Adding to 64266033641 its reverse (14633066246), we get a palindrome (78899099887).

The spelling of 64266033641 in words is "sixty-four billion, two hundred sixty-six million, thirty-three thousand, six hundred forty-one".