2634675818 has 4 divisors (see below), whose sum is σ = 3952013730. Its totient is φ = 1317337908.

The previous prime is 2634675817. The next prime is 2634675853. The reversal of 2634675818 is 8185764362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8185764362 = 2 ⋅4092882181.

It can be written as a sum of positive squares in only one way, i.e., 2350989169 + 283686649 = 48487^2 + 16843^2 .

It is not an unprimeable number, because it can be changed into a prime (2634675817) 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 as a sum of consecutive naturals, namely, 658668953 + ... + 658668956.

Almost surely, 2^2634675818 is an apocalyptic number.

2634675818 is a deficient number, since it is larger than the sum of its proper divisors (1317337912).

2634675818 is a wasteful number, since it uses less digits than its factorization.

2634675818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317337911.

The product of its digits is 1935360, while the sum is 50.

The square root of 2634675818 is about 51329.0932902579. The cubic root of 2634675818 is about 1381.1549209466.

The spelling of 2634675818 in words is "two billion, six hundred thirty-four million, six hundred seventy-five thousand, eight hundred eighteen".