847542054539 has 2 divisors, whose sum is σ = 847542054540. Its totient is φ = 847542054538.

The previous prime is 847542054521. The next prime is 847542054553. The reversal of 847542054539 is 935450245748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 847542054539 - 2²⁸ = 847273619083 is a prime.

It is not a weakly prime, because it can be changed into another prime (847542054509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423771027269 + 423771027270.

It is an arithmetic number, because the mean of its divisors is an integer number (423771027270).

Almost surely, 2^847542054539 is an apocalyptic number.

847542054539 is a deficient number, since it is larger than the sum of its proper divisors (1).

847542054539 is an equidigital number, since it uses as much as digits as its factorization.

847542054539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192000, while the sum is 56.

The spelling of 847542054539 in words is "eight hundred forty-seven billion, five hundred forty-two million, fifty-four thousand, five hundred thirty-nine".