64362449 has 2 divisors, whose sum is σ = 64362450. Its totient is φ = 64362448.

The previous prime is 64362439. The next prime is 64362469. The reversal of 64362449 is 94426346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50908225 + 13454224 = 7135^2 + 3668^2 .

It is a cyclic number.

It is not a de Polignac number, because 64362449 - 2²⁴ = 47585233 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (64362439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32181224 + 32181225.

It is an arithmetic number, because the mean of its divisors is an integer number (32181225).

Almost surely, 2^64362449 is an apocalyptic number.

It is an amenable number.

64362449 is a deficient number, since it is larger than the sum of its proper divisors (1).

64362449 is an equidigital number, since it uses as much as digits as its factorization.

64362449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 38.

The square root of 64362449 is about 8022.6210804200. The cubic root of 64362449 is about 400.7536811034.

The spelling of 64362449 in words is "sixty-four million, three hundred sixty-two thousand, four hundred forty-nine".