64674383 has 2 divisors, whose sum is σ = 64674384. Its totient is φ = 64674382.

The previous prime is 64674373. The next prime is 64674391. The reversal of 64674383 is 38347646.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64674383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64674383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64674353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32337191 + 32337192.

It is an arithmetic number, because the mean of its divisors is an integer number (32337192).

Almost surely, 2^64674383 is an apocalyptic number.

64674383 is a deficient number, since it is larger than the sum of its proper divisors (1).

64674383 is an equidigital number, since it uses as much as digits as its factorization.

64674383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 41.

The square root of 64674383 is about 8042.0384853593. The cubic root of 64674383 is about 401.4000584567.

The spelling of 64674383 in words is "sixty-four million, six hundred seventy-four thousand, three hundred eighty-three".