2681869710 has 64 divisors (see below), whose sum is σ = 6999003648. Its totient is φ = 653733504.

The previous prime is 2681869669. The next prime is 2681869711. The reversal of 2681869710 is 179681862.

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 2681869710.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681869711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6789 + ... + 73551.

It is an arithmetic number, because the mean of its divisors is an integer number (109359432).

Almost surely, 2^2681869710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2681869710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3499501824).

2681869710 is an abundant number, since it is smaller than the sum of its proper divisors (4317133938).

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

2681869710 is a wasteful number, since it uses less digits than its factorization.

2681869710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66889.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 2681869710 is about 51786.7715734433. The cubic root of 2681869710 is about 1389.3528568050.

The spelling of 2681869710 in words is "two billion, six hundred eighty-one million, eight hundred sixty-nine thousand, seven hundred ten".