2643159128 has 8 divisors (see below), whose sum is σ = 4955923380. Its totient is φ = 1321579560.

The previous prime is 2643159089. The next prime is 2643159143. The reversal of 2643159128 is 8219513462.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165197438 + ... + 165197453.

Almost surely, 2^2643159128 is an apocalyptic number.

It is an amenable number.

2643159128 is a deficient number, since it is larger than the sum of its proper divisors (2312764252).

2643159128 is a wasteful number, since it uses less digits than its factorization.

2643159128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330394897 (or 330394893 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 2643159128 is about 51411.6633459763. The cubic root of 2643159128 is about 1382.6357118960.

The spelling of 2643159128 in words is "two billion, six hundred forty-three million, one hundred fifty-nine thousand, one hundred twenty-eight".