2768488409 has 2 divisors, whose sum is σ = 2768488410. Its totient is φ = 2768488408.

The previous prime is 2768488399. The next prime is 2768488439. The reversal of 2768488409 is 9048848672.

2768488409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2592846400 + 175642009 = 50920^2 + 13253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2768488409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2768488439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384244204 + 1384244205.

It is an arithmetic number, because the mean of its divisors is an integer number (1384244205).

Almost surely, 2^2768488409 is an apocalyptic number.

It is an amenable number.

2768488409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768488409 is an equidigital number, since it uses as much as digits as its factorization.

2768488409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The square root of 2768488409 is about 52616.4271782112. The cubic root of 2768488409 is about 1404.1523674070.

The spelling of 2768488409 in words is "two billion, seven hundred sixty-eight million, four hundred eighty-eight thousand, four hundred nine".