64319467 has 2 divisors, whose sum is σ = 64319468. Its totient is φ = 64319466.

The previous prime is 64319429. The next prime is 64319471. The reversal of 64319467 is 76491346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64319467 - 2¹¹ = 64317419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64319407) 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, 32159733 + 32159734.

It is an arithmetic number, because the mean of its divisors is an integer number (32159734).

Almost surely, 2^64319467 is an apocalyptic number.

64319467 is a deficient number, since it is larger than the sum of its proper divisors (1).

64319467 is an equidigital number, since it uses as much as digits as its factorization.

64319467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 64319467 is about 8019.9418327068. The cubic root of 64319467 is about 400.6644518980.

The spelling of 64319467 in words is "sixty-four million, three hundred nineteen thousand, four hundred sixty-seven".