64534579199 has 2 divisors, whose sum is σ = 64534579200. Its totient is φ = 64534579198.

The previous prime is 64534579147. The next prime is 64534579243. The reversal of 64534579199 is 99197543546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64534579199 - 2¹² = 64534575103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64534579139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32267289599 + 32267289600.

It is an arithmetic number, because the mean of its divisors is an integer number (32267289600).

Almost surely, 2^64534579199 is an apocalyptic number.

64534579199 is a deficient number, since it is larger than the sum of its proper divisors (1).

64534579199 is an equidigital number, since it uses as much as digits as its factorization.

64534579199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36741600, while the sum is 62.

The spelling of 64534579199 in words is "sixty-four billion, five hundred thirty-four million, five hundred seventy-nine thousand, one hundred ninety-nine".