6364409633 has 2 divisors, whose sum is σ = 6364409634. Its totient is φ = 6364409632.

The previous prime is 6364409599. The next prime is 6364409693. The reversal of 6364409633 is 3369044636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5471117089 + 893292544 = 73967^2 + 29888^2 .

It is a cyclic number.

It is not a de Polignac number, because 6364409633 - 2¹⁴ = 6364393249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6364409693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3182204816 + 3182204817.

It is an arithmetic number, because the mean of its divisors is an integer number (3182204817).

Almost surely, 2^6364409633 is an apocalyptic number.

It is an amenable number.

6364409633 is a deficient number, since it is larger than the sum of its proper divisors (1).

6364409633 is an equidigital number, since it uses as much as digits as its factorization.

6364409633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 44.

The square root of 6364409633 is about 79777.2500967538. The cubic root of 6364409633 is about 1853.1875539165.

The spelling of 6364409633 in words is "six billion, three hundred sixty-four million, four hundred nine thousand, six hundred thirty-three".