2685381351 has 16 divisors (see below), whose sum is σ = 3628262400. Its totient is φ = 1766407968.

The previous prime is 2685381343. The next prime is 2685381367. The reversal of 2685381351 is 1531835862.

2685381351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2685381351 - 2³ = 2685381343 is a prime.

It is a super-2 number, since 2×2685381351² = 14422546000597170402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685381311) 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, 480465 + ... + 486021.

It is an arithmetic number, because the mean of its divisors is an integer number (226766400).

Almost surely, 2^2685381351 is an apocalyptic number.

2685381351 is a deficient number, since it is larger than the sum of its proper divisors (942881049).

2685381351 is a wasteful number, since it uses less digits than its factorization.

2685381351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7678.

The product of its digits is 172800, while the sum is 42.

The square root of 2685381351 is about 51820.6652890524. The cubic root of 2685381351 is about 1389.9589986698.

The spelling of 2685381351 in words is "two billion, six hundred eighty-five million, three hundred eighty-one thousand, three hundred fifty-one".