2749955563 has 2 divisors, whose sum is σ = 2749955564. Its totient is φ = 2749955562.

The previous prime is 2749955539. The next prime is 2749955569. The reversal of 2749955563 is 3655599472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2749955563 - 2⁵ = 2749955531 is a prime.

It is not a weakly prime, because it can be changed into another prime (2749955569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374977781 + 1374977782.

It is an arithmetic number, because the mean of its divisors is an integer number (1374977782).

Almost surely, 2^2749955563 is an apocalyptic number.

2749955563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749955563 is an equidigital number, since it uses as much as digits as its factorization.

2749955563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206000, while the sum is 55.

The square root of 2749955563 is about 52440.0187166252. The cubic root of 2749955563 is about 1401.0121189706.

The spelling of 2749955563 in words is "two billion, seven hundred forty-nine million, nine hundred fifty-five thousand, five hundred sixty-three".