664503500467 has 2 divisors, whose sum is σ = 664503500468. Its totient is φ = 664503500466.

The previous prime is 664503500449. The next prime is 664503500471. The reversal of 664503500467 is 764005305466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 664503500467 - 2³⁹ = 114747686579 is a prime.

It is not a weakly prime, because it can be changed into another prime (664503500407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332251750233 + 332251750234.

It is an arithmetic number, because the mean of its divisors is an integer number (332251750234).

Almost surely, 2^664503500467 is an apocalyptic number.

664503500467 is a deficient number, since it is larger than the sum of its proper divisors (1).

664503500467 is an equidigital number, since it uses as much as digits as its factorization.

664503500467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 664503500467 in words is "six hundred sixty-four billion, five hundred three million, five hundred thousand, four hundred sixty-seven".