2643546412 has 24 divisors (see below), whose sum is σ = 4985416800. Its totient is φ = 1219278336.

The previous prime is 2643546407. The next prime is 2643546413. The reversal of 2643546412 is 2146453462.

It is not an unprimeable number, because it can be changed into a prime (2643546413) 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, 64764 + ... + 97372.

It is an arithmetic number, because the mean of its divisors is an integer number (207725700).

Almost surely, 2^2643546412 is an apocalyptic number.

It is an amenable number.

2643546412 is a deficient number, since it is larger than the sum of its proper divisors (2341870388).

2643546412 is a wasteful number, since it uses less digits than its factorization.

2643546412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34185 (or 34183 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 2643546412 is about 51415.4297074332. The cubic root of 2643546412 is about 1382.7032379777.

Adding to 2643546412 its reverse (2146453462), we get a palindrome (4789999874).

The spelling of 2643546412 in words is "two billion, six hundred forty-three million, five hundred forty-six thousand, four hundred twelve".