664213483 has 2 divisors, whose sum is σ = 664213484. Its totient is φ = 664213482.

The previous prime is 664213373. The next prime is 664213547. The reversal of 664213483 is 384312466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 664213483 - 2¹³ = 664205291 is a prime.

It is not a weakly prime, because it can be changed into another prime (664213283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332106741 + 332106742.

It is an arithmetic number, because the mean of its divisors is an integer number (332106742).

Almost surely, 2^664213483 is an apocalyptic number.

664213483 is a deficient number, since it is larger than the sum of its proper divisors (1).

664213483 is an equidigital number, since it uses as much as digits as its factorization.

664213483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The square root of 664213483 is about 25772.3394941166. The cubic root of 664213483 is about 872.5076210531.

The spelling of 664213483 in words is "six hundred sixty-four million, two hundred thirteen thousand, four hundred eighty-three".