64629034848 has 144 divisors (see below), whose sum is σ = 210341214720. Its totient is φ = 18439342848.

The previous prime is 64629034819. The next prime is 64629034849. The reversal of 64629034848 is 84843092646.

64629034848 is a `hidden beast` number, since 6 + 4 + 6 + 290 + 348 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 64629034794 and 64629034803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64629034849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1427211 + ... + 1471797.

It is an arithmetic number, because the mean of its divisors is an integer number (1460702880).

Almost surely, 2^64629034848 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 64629034848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105170607360).

64629034848 is an abundant number, since it is smaller than the sum of its proper divisors (145712179872).

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

64629034848 is a wasteful number, since it uses less digits than its factorization.

64629034848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45329 (or 45318 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 64629034848 in words is "sixty-four billion, six hundred twenty-nine million, thirty-four thousand, eight hundred forty-eight".