64304136577 has 8 divisors (see below), whose sum is σ = 64652356736. Its totient is φ = 63956857392.

The previous prime is 64304136509. The next prime is 64304136581. The reversal of 64304136577 is 77563140346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64304136577 - 2¹¹ = 64304134529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64304136277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97983 + ... + 371764.

It is an arithmetic number, because the mean of its divisors is an integer number (8081544592).

Almost surely, 2^64304136577 is an apocalyptic number.

It is an amenable number.

64304136577 is a deficient number, since it is larger than the sum of its proper divisors (348220159).

64304136577 is a wasteful number, since it uses less digits than its factorization.

64304136577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470487.

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 64304136577 in words is "sixty-four billion, three hundred four million, one hundred thirty-six thousand, five hundred seventy-seven".