64242213153 has 16 divisors (see below), whose sum is σ = 87524997120. Its totient is φ = 41894749136.

The previous prime is 64242213131. The next prime is 64242213173. The reversal of 64242213153 is 35131224246.

It is a cyclic number.

It is not a de Polignac number, because 64242213153 - 2⁶ = 64242213089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64242213173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149428 + ... + 388346.

It is an arithmetic number, because the mean of its divisors is an integer number (5470312320).

Almost surely, 2^64242213153 is an apocalyptic number.

It is an amenable number.

64242213153 is a deficient number, since it is larger than the sum of its proper divisors (23282783967).

64242213153 is a wasteful number, since it uses less digits than its factorization.

64242213153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240876.

The product of its digits is 34560, while the sum is 33.

Adding to 64242213153 its reverse (35131224246), we get a palindrome (99373437399).

The spelling of 64242213153 in words is "sixty-four billion, two hundred forty-two million, two hundred thirteen thousand, one hundred fifty-three".