2684421808 has 10 divisors (see below), whose sum is σ = 5201067284. Its totient is φ = 1342210896.

The previous prime is 2684421787. The next prime is 2684421853. The reversal of 2684421808 is 8081244862.

It is a super-2 number, since 2×2684421808² = 14412240886531977728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83888166 + ... + 83888197.

Almost surely, 2^2684421808 is an apocalyptic number.

It is an amenable number.

2684421808 is a deficient number, since it is larger than the sum of its proper divisors (2516645476).

2684421808 is a wasteful number, since it uses less digits than its factorization.

2684421808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167776371 (or 167776365 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 43.

The square root of 2684421808 is about 51811.4061573318. The cubic root of 2684421808 is about 1389.7934251267.

The spelling of 2684421808 in words is "two billion, six hundred eighty-four million, four hundred twenty-one thousand, eight hundred eight".