64333633313 has 2 divisors, whose sum is σ = 64333633314. Its totient is φ = 64333633312.

The previous prime is 64333633303. The next prime is 64333633373. The reversal of 64333633313 is 31333633346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41602945024 + 22730688289 = 203968^2 + 150767^2 .

It is a cyclic number.

It is not a de Polignac number, because 64333633313 - 2⁸ = 64333633057 is a prime.

It is not a weakly prime, because it can be changed into another prime (64333633303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32166816656 + 32166816657.

It is an arithmetic number, because the mean of its divisors is an integer number (32166816657).

Almost surely, 2^64333633313 is an apocalyptic number.

It is an amenable number.

64333633313 is a deficient number, since it is larger than the sum of its proper divisors (1).

64333633313 is an equidigital number, since it uses as much as digits as its factorization.

64333633313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 38.

The spelling of 64333633313 in words is "sixty-four billion, three hundred thirty-three million, six hundred thirty-three thousand, three hundred thirteen".