2688540551 has 2 divisors, whose sum is σ = 2688540552. Its totient is φ = 2688540550.

The previous prime is 2688540539. The next prime is 2688540563. The reversal of 2688540551 is 1550458862.

It is a balanced prime because it is at equal distance from previous prime (2688540539) and next prime (2688540563).

It is a cyclic number.

It is not a de Polignac number, because 2688540551 - 2³⁰ = 1614798727 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 (2688540251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344270275 + 1344270276.

It is an arithmetic number, because the mean of its divisors is an integer number (1344270276).

Almost surely, 2^2688540551 is an apocalyptic number.

2688540551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688540551 is an equidigital number, since it uses as much as digits as its factorization.

2688540551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384000, while the sum is 44.

The square root of 2688540551 is about 51851.1383770887. The cubic root of 2688540551 is about 1390.5038545687.

The spelling of 2688540551 in words is "two billion, six hundred eighty-eight million, five hundred forty thousand, five hundred fifty-one".