63343650834 has 32 divisors (see below), whose sum is σ = 140787120000. Its totient is φ = 21111032592.

The previous prime is 63343650833. The next prime is 63343650847. The reversal of 63343650834 is 43805634336.

63343650834 is a `hidden beast` number, since 633 + 4 + 3 + 6 + 5 + 0 + 8 + 3 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63343650834.

It is not an unprimeable number, because it can be changed into a prime (63343650833) 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 15 ways as a sum of consecutive naturals, for example, 240132 + ... + 429360.

It is an arithmetic number, because the mean of its divisors is an integer number (4399597500).

Almost surely, 2^63343650834 is an apocalyptic number.

63343650834 is an abundant number, since it is smaller than the sum of its proper divisors (77443469166).

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

63343650834 is a wasteful number, since it uses less digits than its factorization.

63343650834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195439 (or 195433 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 63343650834 in words is "sixty-three billion, three hundred forty-three million, six hundred fifty thousand, eight hundred thirty-four".