2628244837 has 2 divisors, whose sum is σ = 2628244838. Its totient is φ = 2628244836.

The previous prime is 2628244783. The next prime is 2628244847. The reversal of 2628244837 is 7384428262.

Together with previous prime (2628244783) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1866153601 + 762091236 = 43199^2 + 27606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2628244837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2628244847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314122418 + 1314122419.

It is an arithmetic number, because the mean of its divisors is an integer number (1314122419).

Almost surely, 2^2628244837 is an apocalyptic number.

It is an amenable number.

2628244837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628244837 is an equidigital number, since it uses as much as digits as its factorization.

2628244837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192, while the sum is 46.

The square root of 2628244837 is about 51266.4104165681. The cubic root of 2628244837 is about 1380.0302515598.

The spelling of 2628244837 in words is "two billion, six hundred twenty-eight million, two hundred forty-four thousand, eight hundred thirty-seven".