2684639084 has 24 divisors (see below), whose sum is σ = 4770009888. Its totient is φ = 1321931520.

The previous prime is 2684639033. The next prime is 2684639101. The reversal of 2684639084 is 4809364862.

It is a happy number.

It is a super-2 number, since 2×2684639084² = 14414574022680718112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52049 + ... + 89879.

It is an arithmetic number, because the mean of its divisors is an integer number (198750412).

Almost surely, 2^2684639084 is an apocalyptic number.

It is an amenable number.

2684639084 is a deficient number, since it is larger than the sum of its proper divisors (2085370804).

2684639084 is a wasteful number, since it uses less digits than its factorization.

2684639084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38105 (or 38103 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The square root of 2684639084 is about 51813.5029118858. The cubic root of 2684639084 is about 1389.8309205516.

The spelling of 2684639084 in words is "two billion, six hundred eighty-four million, six hundred thirty-nine thousand, eighty-four".