2628400559 has 2 divisors, whose sum is σ = 2628400560. Its totient is φ = 2628400558.

The previous prime is 2628400531. The next prime is 2628400573. The reversal of 2628400559 is 9550048262.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2628400559 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2628403559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314200279 + 1314200280.

It is an arithmetic number, because the mean of its divisors is an integer number (1314200280).

Almost surely, 2^2628400559 is an apocalyptic number.

2628400559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628400559 is an equidigital number, since it uses as much as digits as its factorization.

2628400559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 2628400559 is about 51267.9291467873. The cubic root of 2628400559 is about 1380.0575063553.

The spelling of 2628400559 in words is "two billion, six hundred twenty-eight million, four hundred thousand, five hundred fifty-nine".