64933369 has 2 divisors, whose sum is σ = 64933370. Its totient is φ = 64933368.

The previous prime is 64933361. The next prime is 64933391. The reversal of 64933369 is 96333946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62647225 + 2286144 = 7915^2 + 1512^2 .

It is a cyclic number.

It is not a de Polignac number, because 64933369 - 2³ = 64933361 is a prime.

It is a super-2 number, since 2×64933369² = 8432684819380322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64933361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32466684 + 32466685.

It is an arithmetic number, because the mean of its divisors is an integer number (32466685).

Almost surely, 2^64933369 is an apocalyptic number.

It is an amenable number.

64933369 is a deficient number, since it is larger than the sum of its proper divisors (1).

64933369 is an equidigital number, since it uses as much as digits as its factorization.

64933369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 43.

The square root of 64933369 is about 8058.1244095633. The cubic root of 64933369 is about 401.9351417191.

The spelling of 64933369 in words is "sixty-four million, nine hundred thirty-three thousand, three hundred sixty-nine".