64535544213 has 16 divisors (see below), whose sum is σ = 98348595840. Its totient is φ = 36874184256.

The previous prime is 64535544149. The next prime is 64535544253. The reversal of 64535544213 is 31244553546.

It is not a de Polignac number, because 64535544213 - 2⁶ = 64535544149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64535544253) 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 15 ways as a sum of consecutive naturals, for example, 117231 + ... + 377907.

It is an arithmetic number, because the mean of its divisors is an integer number (6146787240).

Almost surely, 2^64535544213 is an apocalyptic number.

It is an amenable number.

64535544213 is a deficient number, since it is larger than the sum of its proper divisors (33813051627).

64535544213 is a wasteful number, since it uses less digits than its factorization.

64535544213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272476.

The product of its digits is 864000, while the sum is 42.

The spelling of 64535544213 in words is "sixty-four billion, five hundred thirty-five million, five hundred forty-four thousand, two hundred thirteen".