64535601244 has 6 divisors (see below), whose sum is σ = 112937302184. Its totient is φ = 32267800620.

The previous prime is 64535601203. The next prime is 64535601313. The reversal of 64535601244 is 44210653546.

It is a junction number, because it is equal to n+sod(n) for n = 64535601197 and 64535601206.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8066950152 + ... + 8066950159.

Almost surely, 2^64535601244 is an apocalyptic number.

It is an amenable number.

64535601244 is a deficient number, since it is larger than the sum of its proper divisors (48401700940).

64535601244 is a wasteful number, since it uses less digits than its factorization.

64535601244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16133900315 (or 16133900313 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 64535601244 in words is "sixty-four billion, five hundred thirty-five million, six hundred one thousand, two hundred forty-four".