64838359 has 2 divisors, whose sum is σ = 64838360. Its totient is φ = 64838358.

The previous prime is 64838299. The next prime is 64838377. The reversal of 64838359 is 95383846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64838359 - 2⁷ = 64838231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64338359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32419179 + 32419180.

It is an arithmetic number, because the mean of its divisors is an integer number (32419180).

Almost surely, 2^64838359 is an apocalyptic number.

64838359 is a deficient number, since it is larger than the sum of its proper divisors (1).

64838359 is an equidigital number, since it uses as much as digits as its factorization.

64838359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 64838359 is about 8052.2269590468. The cubic root of 64838359 is about 401.7390099050.

The spelling of 64838359 in words is "sixty-four million, eight hundred thirty-eight thousand, three hundred fifty-nine".