64134379008 has 480 divisors, whose sum is σ = 224138154240. Its totient is φ = 17245716480.

The previous prime is 64134378983. The next prime is 64134379009. The reversal of 64134379008 is 80097343146.

It is a super-2 number, since 2×64134379008² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64134379009) 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 47 ways as a sum of consecutive naturals, for example, 139119898 + ... + 139120358.

It is an arithmetic number, because the mean of its divisors is an integer number (466954488).

Almost surely, 2^64134379008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64134379008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112069077120).

64134379008 is an abundant number, since it is smaller than the sum of its proper divisors (160003775232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64134379008 is a wasteful number, since it uses less digits than its factorization.

64134379008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 64134379008 in words is "sixty-four billion, one hundred thirty-four million, three hundred seventy-nine thousand, eight".