64213436422 has 16 divisors (see below), whose sum is σ = 102169175040. Its totient is φ = 30163827328.

The previous prime is 64213436401. The next prime is 64213436429. The reversal of 64213436422 is 22463431246.

64213436422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64213436429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676422 + ... + 1714297.

It is an arithmetic number, because the mean of its divisors is an integer number (6385573440).

Almost surely, 2^64213436422 is an apocalyptic number.

64213436422 is a deficient number, since it is larger than the sum of its proper divisors (37955738618).

64213436422 is a wasteful number, since it uses less digits than its factorization.

64213436422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391295.

The product of its digits is 165888, while the sum is 37.

Adding to 64213436422 its reverse (22463431246), we get a palindrome (86676867668).

The spelling of 64213436422 in words is "sixty-four billion, two hundred thirteen million, four hundred thirty-six thousand, four hundred twenty-two".