64466340667 has 2 divisors, whose sum is σ = 64466340668. Its totient is φ = 64466340666.

The previous prime is 64466340649. The next prime is 64466340683. The reversal of 64466340667 is 76604366446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64466340667 - 2³¹ = 62318857019 is a prime.

It is not a weakly prime, because it can be changed into another prime (64466344667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32233170333 + 32233170334.

It is an arithmetic number, because the mean of its divisors is an integer number (32233170334).

Almost surely, 2^64466340667 is an apocalyptic number.

64466340667 is a deficient number, since it is larger than the sum of its proper divisors (1).

64466340667 is an equidigital number, since it uses as much as digits as its factorization.

64466340667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 52.

The spelling of 64466340667 in words is "sixty-four billion, four hundred sixty-six million, three hundred forty thousand, six hundred sixty-seven".