2628538297 has 24 divisors (see below), whose sum is σ = 3305958656. Its totient is φ = 2045736000.

The previous prime is 2628538277. The next prime is 2628538303. The reversal of 2628538297 is 7928358262.

It is not a de Polignac number, because 2628538297 - 2⁷ = 2628538169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2628538207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1041397 + ... + 1043917.

Almost surely, 2^2628538297 is an apocalyptic number.

It is an amenable number.

2628538297 is a deficient number, since it is larger than the sum of its proper divisors (677420359).

2628538297 is a wasteful number, since it uses less digits than its factorization.

2628538297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3770 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 2628538297 is about 51269.2724446134. The cubic root of 2628538297 is about 1380.0816126557.

The spelling of 2628538297 in words is "two billion, six hundred twenty-eight million, five hundred thirty-eight thousand, two hundred ninety-seven".