64213064613 has 12 divisors (see below), whose sum is σ = 92756428128. Its totient is φ = 42806760360.

The previous prime is 64213064609. The next prime is 64213064633. The reversal of 64213064613 is 31646031246.

64213064613 is a `hidden beast` number, since 6 + 4 + 2 + 1 + 3 + 0 + 646 + 1 + 3 = 666.

It is not a de Polignac number, because 64213064613 - 2² = 64213064609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64213064633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62578 + ... + 363788.

It is an arithmetic number, because the mean of its divisors is an integer number (7729702344).

Almost surely, 2^64213064613 is an apocalyptic number.

It is an amenable number.

64213064613 is a deficient number, since it is larger than the sum of its proper divisors (28543363515).

64213064613 is a wasteful number, since it uses less digits than its factorization.

64213064613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324904 (or 324901 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 64213064613 its reverse (31646031246), we get a palindrome (95859095859).

The spelling of 64213064613 in words is "sixty-four billion, two hundred thirteen million, sixty-four thousand, six hundred thirteen".