2688347634 has 32 divisors (see below), whose sum is σ = 6156915840. Its totient is φ = 766584192.

The previous prime is 2688347633. The next prime is 2688347657. The reversal of 2688347634 is 4367438862.

It is not an unprimeable number, because it can be changed into a prime (2688347633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41499 + ... + 84254.

It is an arithmetic number, because the mean of its divisors is an integer number (192403620).

Almost surely, 2^2688347634 is an apocalyptic number.

2688347634 is an abundant number, since it is smaller than the sum of its proper divisors (3468568206).

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

2688347634 is a wasteful number, since it uses less digits than its factorization.

2688347634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126274.

The product of its digits is 4644864, while the sum is 51.

The square root of 2688347634 is about 51849.2780470471. The cubic root of 2688347634 is about 1390.4705951053.

The spelling of 2688347634 in words is "two billion, six hundred eighty-eight million, three hundred forty-seven thousand, six hundred thirty-four".