64074281833 has 2 divisors, whose sum is σ = 64074281834. Its totient is φ = 64074281832.

The previous prime is 64074281819. The next prime is 64074281881. The reversal of 64074281833 is 33818247046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50944101264 + 13130180569 = 225708^2 + 114587^2 .

It is a cyclic number.

It is not a de Polignac number, because 64074281833 - 2²¹ = 64072184681 is a prime.

It is not a weakly prime, because it can be changed into another prime (64074981833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32037140916 + 32037140917.

It is an arithmetic number, because the mean of its divisors is an integer number (32037140917).

Almost surely, 2^64074281833 is an apocalyptic number.

It is an amenable number.

64074281833 is a deficient number, since it is larger than the sum of its proper divisors (1).

64074281833 is an equidigital number, since it uses as much as digits as its factorization.

64074281833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 64074281833 in words is "sixty-four billion, seventy-four million, two hundred eighty-one thousand, eight hundred thirty-three".