64339049 has 2 divisors, whose sum is σ = 64339050. Its totient is φ = 64339048.

The previous prime is 64339019. The next prime is 64339097. The reversal of 64339049 is 94093346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47265625 + 17073424 = 6875^2 + 4132^2 .

It is a cyclic number.

It is not a de Polignac number, because 64339049 - 2¹⁶ = 64273513 is a prime.

It is not a weakly prime, because it can be changed into another prime (64339019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32169524 + 32169525.

It is an arithmetic number, because the mean of its divisors is an integer number (32169525).

Almost surely, 2^64339049 is an apocalyptic number.

It is an amenable number.

64339049 is a deficient number, since it is larger than the sum of its proper divisors (1).

64339049 is an equidigital number, since it uses as much as digits as its factorization.

64339049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 64339049 is about 8021.1625715977. The cubic root of 64339049 is about 400.7051084083.

The spelling of 64339049 in words is "sixty-four million, three hundred thirty-nine thousand, forty-nine".