2623387457 has 2 divisors, whose sum is σ = 2623387458. Its totient is φ = 2623387456.

The previous prime is 2623387451. The next prime is 2623387537. The reversal of 2623387457 is 7547833262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1489651216 + 1133736241 = 38596^2 + 33671^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623387457 - 2⁴ = 2623387441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2623387451) 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, 1311693728 + 1311693729.

It is an arithmetic number, because the mean of its divisors is an integer number (1311693729).

Almost surely, 2^2623387457 is an apocalyptic number.

It is an amenable number.

2623387457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623387457 is an equidigital number, since it uses as much as digits as its factorization.

2623387457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 47.

The square root of 2623387457 is about 51219.0146039535. The cubic root of 2623387457 is about 1379.1795615134.

The spelling of 2623387457 in words is "two billion, six hundred twenty-three million, three hundred eighty-seven thousand, four hundred fifty-seven".