2688045097 has 2 divisors, whose sum is σ = 2688045098. Its totient is φ = 2688045096.

The previous prime is 2688045077. The next prime is 2688045127. The reversal of 2688045097 is 7905408862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2459763216 + 228281881 = 49596^2 + 15109^2 .

It is a cyclic number.

It is not a de Polignac number, because 2688045097 - 2³¹ = 540561449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2688045097.

It is not a weakly prime, because it can be changed into another prime (2688045037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344022548 + 1344022549.

It is an arithmetic number, because the mean of its divisors is an integer number (1344022549).

Almost surely, 2^2688045097 is an apocalyptic number.

It is an amenable number.

2688045097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688045097 is an equidigital number, since it uses as much as digits as its factorization.

2688045097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 2688045097 is about 51846.3604990746. The cubic root of 2688045097 is about 1390.4184336241.

The spelling of 2688045097 in words is "two billion, six hundred eighty-eight million, forty-five thousand, ninety-seven".