2685634092 has 36 divisors (see below), whose sum is σ = 7188022296. Its totient is φ = 842551680.

The previous prime is 2685634087. The next prime is 2685634099. The reversal of 2685634092 is 2904365862.

2685634092 is a `hidden beast` number, since 2 + 6 + 8 + 5 + 634 + 0 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2685634092² = 14425260952225328928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2685634099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2193534 + ... + 2194757.

It is an arithmetic number, because the mean of its divisors is an integer number (199667286).

Almost surely, 2^2685634092 is an apocalyptic number.

It is an amenable number.

2685634092 is an abundant number, since it is smaller than the sum of its proper divisors (4502388204).

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

2685634092 is a wasteful number, since it uses less digits than its factorization.

2685634092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4388318 (or 4388313 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 2685634092 is about 51823.1038437491. The cubic root of 2685634092 is about 1390.0026037251.

The spelling of 2685634092 in words is "two billion, six hundred eighty-five million, six hundred thirty-four thousand, ninety-two".