849175847801 has 2 divisors, whose sum is σ = 849175847802. Its totient is φ = 849175847800.

The previous prime is 849175847791. The next prime is 849175847831. The reversal of 849175847801 is 108748571948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 776504628025 + 72671219776 = 881195^2 + 269576^2 .

It is a cyclic number.

It is not a de Polignac number, because 849175847801 - 2²² = 849171653497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (849175847831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424587923900 + 424587923901.

It is an arithmetic number, because the mean of its divisors is an integer number (424587923901).

Almost surely, 2^849175847801 is an apocalyptic number.

It is an amenable number.

849175847801 is a deficient number, since it is larger than the sum of its proper divisors (1).

849175847801 is an equidigital number, since it uses as much as digits as its factorization.

849175847801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18063360, while the sum is 62.

The spelling of 849175847801 in words is "eight hundred forty-nine billion, one hundred seventy-five million, eight hundred forty-seven thousand, eight hundred one".