2894739563 has 2 divisors, whose sum is σ = 2894739564. Its totient is φ = 2894739562.

The previous prime is 2894739553. The next prime is 2894739571. The reversal of 2894739563 is 3659374982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2894739563 - 2²⁶ = 2827630699 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2894739499 and 2894739508.

It is not a weakly prime, because it can be changed into another prime (2894739503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1447369781 + 1447369782.

It is an arithmetic number, because the mean of its divisors is an integer number (1447369782).

Almost surely, 2^2894739563 is an apocalyptic number.

2894739563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2894739563 is an equidigital number, since it uses as much as digits as its factorization.

2894739563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 56.

The square root of 2894739563 is about 53802.7839707203. The cubic root of 2894739563 is about 1425.1803712178.

The spelling of 2894739563 in words is "two billion, eight hundred ninety-four million, seven hundred thirty-nine thousand, five hundred sixty-three".