64333349 has 2 divisors, whose sum is σ = 64333350. Its totient is φ = 64333348.

The previous prime is 64333331. The next prime is 64333351. The reversal of 64333349 is 94333346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34281025 + 30052324 = 5855^2 + 5482^2 .

It is a cyclic number.

It is not a de Polignac number, because 64333349 - 2²⁰ = 63284773 is a prime.

Together with 64333351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64333319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32166674 + 32166675.

It is an arithmetic number, because the mean of its divisors is an integer number (32166675).

Almost surely, 2^64333349 is an apocalyptic number.

It is an amenable number.

64333349 is a deficient number, since it is larger than the sum of its proper divisors (1).

64333349 is an equidigital number, since it uses as much as digits as its factorization.

64333349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 35.

The square root of 64333349 is about 8020.8072536373. The cubic root of 64333349 is about 400.6932748142.

The spelling of 64333349 in words is "sixty-four million, three hundred thirty-three thousand, three hundred forty-nine".