2643693336 has 32 divisors (see below), whose sum is σ = 7343593200. Its totient is φ = 881231040.

The previous prime is 2643693323. The next prime is 2643693337. The reversal of 2643693336 is 6333963462.

2643693336 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2643693336² = 13978228909621617792, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2643693291 and 2643693300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643693337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6119445 + ... + 6119876.

Almost surely, 2^2643693336 is an apocalyptic number.

It is an amenable number.

2643693336 is an abundant number, since it is smaller than the sum of its proper divisors (4699899864).

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

2643693336 is a wasteful number, since it uses less digits than its factorization.

2643693336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12239336 (or 12239326 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 45.

The square root of 2643693336 is about 51416.8584804634. The cubic root of 2643693336 is about 1382.7288536338.

The spelling of 2643693336 in words is "two billion, six hundred forty-three million, six hundred ninety-three thousand, three hundred thirty-six".