2628745237 has 2 divisors, whose sum is σ = 2628745238. Its totient is φ = 2628745236.

The previous prime is 2628745199. The next prime is 2628745277. The reversal of 2628745237 is 7325478262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1756783396 + 871961841 = 41914^2 + 29529^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628745237 - 2³¹ = 481261589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2628745277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314372618 + 1314372619.

It is an arithmetic number, because the mean of its divisors is an integer number (1314372619).

Almost surely, 2^2628745237 is an apocalyptic number.

It is an amenable number.

2628745237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628745237 is an equidigital number, since it uses as much as digits as its factorization.

2628745237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 46.

The square root of 2628745237 is about 51271.2905727952. The cubic root of 2628745237 is about 1380.1178288035.

The spelling of 2628745237 in words is "two billion, six hundred twenty-eight million, seven hundred forty-five thousand, two hundred thirty-seven".