6563734579650 has 24 divisors (see below), whose sum is σ = 16278061757904. Its totient is φ = 1750329221200.

The previous prime is 6563734579643. The next prime is 6563734579651. The reversal of 6563734579650 is 569754373656.

It is a super-2 number, since 2×6563734579650² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6563734579651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21879115116 + ... + 21879115415.

It is an arithmetic number, because the mean of its divisors is an integer number (678252573246).

Almost surely, 2^{6563734579650} is an apocalyptic number.

6563734579650 is an abundant number, since it is smaller than the sum of its proper divisors (9714327178254).

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

6563734579650 is a wasteful number, since it uses less digits than its factorization.

6563734579650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43758230546 (or 43758230541 counting only the distinct ones).

The product of its (nonzero) digits is 428652000, while the sum is 66.

The spelling of 6563734579650 in words is "six trillion, five hundred sixty-three billion, seven hundred thirty-four million, five hundred seventy-nine thousand, six hundred fifty".