64652260013 has 12 divisors (see below), whose sum is σ = 74437207488. Its totient is φ = 55681368840.

The previous prime is 64652260009. The next prime is 64652260027. The reversal of 64652260013 is 31006225646.

It is a happy number.

It is not a de Polignac number, because 64652260013 - 2² = 64652260009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64652260313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8136581 + ... + 8144522.

It is an arithmetic number, because the mean of its divisors is an integer number (6203100624).

Almost surely, 2^64652260013 is an apocalyptic number.

It is an amenable number.

64652260013 is a deficient number, since it is larger than the sum of its proper divisors (9784947475).

64652260013 is a wasteful number, since it uses less digits than its factorization.

64652260013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16281152 (or 16281133 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 64652260013 its reverse (31006225646), we get a palindrome (95658485659).

The spelling of 64652260013 in words is "sixty-four billion, six hundred fifty-two million, two hundred sixty thousand, thirteen".