2681789796 has 189 divisors, whose sum is σ = 8245475049. Its totient is φ = 760632768.

The previous prime is 2681789681. The next prime is 2681789801. The reversal of 2681789796 is 6979871862.

The square root of 2681789796 is 51786.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1575296100 + 1106493696 = 39690^2 + 33264^2 .

It is a tau number, because it is divible by the number of its divisors (189).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

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 62 ways as a sum of consecutive naturals, for example, 19575040 + ... + 19575176.

Almost surely, 2^2681789796 is an apocalyptic number.

2681789796 is the 51786-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2681789796

2681789796 is an abundant number, since it is smaller than the sum of its proper divisors (5563685253).

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

2681789796 is an equidigital number, since it uses as much as digits as its factorization.

2681789796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 149 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 63.

The cubic root of 2681789796 is about 1389.3390567502.

The spelling of 2681789796 in words is "two billion, six hundred eighty-one million, seven hundred eighty-nine thousand, seven hundred ninety-six".