2628004957 has 12 divisors (see below), whose sum is σ = 2707068000. Its totient is φ = 2551190256.

The previous prime is 2628004927. The next prime is 2628004991. The reversal of 2628004957 is 7594008262.

It is a de Polignac number, because none of the positive numbers 2^k-2628004957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628004927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681208 + ... + 685054.

It is an arithmetic number, because the mean of its divisors is an integer number (225589000).

Almost surely, 2^2628004957 is an apocalyptic number.

It is an amenable number.

2628004957 is a deficient number, since it is larger than the sum of its proper divisors (79063043).

2628004957 is an equidigital number, since it uses as much as digits as its factorization.

2628004957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420 (or 4383 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2628004957 is about 51264.0708196296. The cubic root of 2628004957 is about 1379.9882651456.

The spelling of 2628004957 in words is "two billion, six hundred twenty-eight million, four thousand, nine hundred fifty-seven".