63964333 has 4 divisors (see below), whose sum is σ = 64049148. Its totient is φ = 63879520.

The previous prime is 63964331. The next prime is 63964337. The reversal of 63964333 is 33346936.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8655364 + 55308969 = 2942^2 + 7437^2 .

It is a cyclic number.

It is not a de Polignac number, because 63964333 - 2¹ = 63964331 is a prime.

It is a super-2 number, since 2×63964333² = 8182871792269778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63964292 and 63964301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63964331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41266 + ... + 42787.

It is an arithmetic number, because the mean of its divisors is an integer number (16012287).

Almost surely, 2^63964333 is an apocalyptic number.

It is an amenable number.

63964333 is a deficient number, since it is larger than the sum of its proper divisors (84815).

63964333 is an equidigital number, since it uses as much as digits as its factorization.

63964333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84814.

The product of its digits is 104976, while the sum is 37.

The square root of 63964333 is about 7997.7705018336. The cubic root of 63964333 is about 399.9256799422.

The spelling of 63964333 in words is "sixty-three million, nine hundred sixty-four thousand, three hundred thirty-three".