64340093 has 2 divisors, whose sum is σ = 64340094. Its totient is φ = 64340092.

The previous prime is 64340071. The next prime is 64340113. The reversal of 64340093 is 39004346.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48958009 + 15382084 = 6997^2 + 3922^2 .

It is a cyclic number.

It is not a de Polignac number, because 64340093 - 2⁸ = 64339837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64340893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32170046 + 32170047.

It is an arithmetic number, because the mean of its divisors is an integer number (32170047).

Almost surely, 2^64340093 is an apocalyptic number.

It is an amenable number.

64340093 is a deficient number, since it is larger than the sum of its proper divisors (1).

64340093 is an equidigital number, since it uses as much as digits as its factorization.

64340093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 64340093 is about 8021.2276491819. The cubic root of 64340093 is about 400.7072757488.

The spelling of 64340093 in words is "sixty-four million, three hundred forty thousand, ninety-three".