63343642450 has 24 divisors (see below), whose sum is σ = 128530010160. Its totient is φ = 23034051600.

The previous prime is 63343642429. The next prime is 63343642463. The reversal of 63343642450 is 5424634336.

It is a happy number.

It is a super-3 number, since 3×63343642450³ (a number of 33 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57584580 + ... + 57585679.

It is an arithmetic number, because the mean of its divisors is an integer number (5355417090).

Almost surely, 2^63343642450 is an apocalyptic number.

63343642450 is an abundant number, since it is smaller than the sum of its proper divisors (65186367710).

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

63343642450 is a wasteful number, since it uses less digits than its factorization.

63343642450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115170282 (or 115170277 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 40.

The spelling of 63343642450 in words is "sixty-three billion, three hundred forty-three million, six hundred forty-two thousand, four hundred fifty".