2750278278563 has 2 divisors, whose sum is σ = 2750278278564. Its totient is φ = 2750278278562.

The previous prime is 2750278278529. The next prime is 2750278278599. The reversal of 2750278278563 is 3658728720572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2750278278563 - 2¹² = 2750278274467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2750278278496 and 2750278278505.

It is not a weakly prime, because it can be changed into another prime (2750278298563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375139139281 + 1375139139282.

It is an arithmetic number, because the mean of its divisors is an integer number (1375139139282).

Almost surely, 2^{2750278278563} is an apocalyptic number.

2750278278563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750278278563 is an equidigital number, since it uses as much as digits as its factorization.

2750278278563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79027200, while the sum is 62.

The spelling of 2750278278563 in words is "two trillion, seven hundred fifty billion, two hundred seventy-eight million, two hundred seventy-eight thousand, five hundred sixty-three".