2628643004 has 24 divisors (see below), whose sum is σ = 5074813968. Its totient is φ = 1183628160.

The previous prime is 2628643001. The next prime is 2628643013. The reversal of 2628643004 is 4003468262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628643001) 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, 614342 + ... + 618605.

It is an arithmetic number, because the mean of its divisors is an integer number (211450582).

Almost surely, 2^2628643004 is an apocalyptic number.

It is an amenable number.

2628643004 is a deficient number, since it is larger than the sum of its proper divisors (2446170964).

2628643004 is a wasteful number, since it uses less digits than its factorization.

2628643004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233005 (or 1233003 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 2628643004 is about 51270.2935821514. The cubic root of 2628643004 is about 1380.0999374520.

The spelling of 2628643004 in words is "two billion, six hundred twenty-eight million, six hundred forty-three thousand, four".