64006464146591 has 2 divisors, whose sum is σ = 64006464146592. Its totient is φ = 64006464146590.

The previous prime is 64006464146567. The next prime is 64006464146617. The reversal of 64006464146591 is 19564146460046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64006464146591 - 2²⁶ = 64006397037727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64006464146791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32003232073295 + 32003232073296.

It is an arithmetic number, because the mean of its divisors is an integer number (32003232073296).

Almost surely, 2^{64006464146591} is an apocalyptic number.

64006464146591 is a deficient number, since it is larger than the sum of its proper divisors (1).

64006464146591 is an equidigital number, since it uses as much as digits as its factorization.

64006464146591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 64006464146591 in words is "sixty-four trillion, six billion, four hundred sixty-four million, one hundred forty-six thousand, five hundred ninety-one".