2794521563 has 2 divisors, whose sum is σ = 2794521564. Its totient is φ = 2794521562.

The previous prime is 2794521547. The next prime is 2794521581. The reversal of 2794521563 is 3651254972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2794521563 - 2⁴ = 2794521547 is a prime.

It is not a weakly prime, because it can be changed into another prime (2794521593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1397260781 + 1397260782.

It is an arithmetic number, because the mean of its divisors is an integer number (1397260782).

Almost surely, 2^2794521563 is an apocalyptic number.

2794521563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2794521563 is an equidigital number, since it uses as much as digits as its factorization.

2794521563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

The square root of 2794521563 is about 52863.2345113312. The cubic root of 2794521563 is about 1408.5399038037.

The spelling of 2794521563 in words is "two billion, seven hundred ninety-four million, five hundred twenty-one thousand, five hundred sixty-three".