2685306738 has 16 divisors (see below), whose sum is σ = 5543859456. Its totient is φ = 866227920.

The previous prime is 2685306737. The next prime is 2685306773. The reversal of 2685306738 is 8376035862.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2685306733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7218381 + ... + 7218752.

It is an arithmetic number, because the mean of its divisors is an integer number (346491216).

Almost surely, 2^2685306738 is an apocalyptic number.

2685306738 is an abundant number, since it is smaller than the sum of its proper divisors (2858552718).

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

2685306738 is a wasteful number, since it uses less digits than its factorization.

2685306738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14437169.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 2685306738 is about 51819.9453685548. The cubic root of 2685306738 is about 1389.9461252690.

The spelling of 2685306738 in words is "two billion, six hundred eighty-five million, three hundred six thousand, seven hundred thirty-eight".