2079568821836 has 48 divisors (see below), whose sum is σ = 4201046373888. Its totient is φ = 891425673600.

The previous prime is 2079568821833. The next prime is 2079568821853. The reversal of 2079568821836 is 6381288659702.

It is a super-2 number, since 2×2079568821836² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2079568821833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14399345 + ... + 14543048.

It is an arithmetic number, because the mean of its divisors is an integer number (87521799456).

Almost surely, 2^{2079568821836} is an apocalyptic number.

It is an amenable number.

2079568821836 is an abundant number, since it is smaller than the sum of its proper divisors (2121477552052).

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

2079568821836 is a wasteful number, since it uses less digits than its factorization.

2079568821836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28942502 (or 28942500 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 65.

The spelling of 2079568821836 in words is "two trillion, seventy-nine billion, five hundred sixty-eight million, eight hundred twenty-one thousand, eight hundred thirty-six".