851663363 has 2 divisors, whose sum is σ = 851663364. Its totient is φ = 851663362.

The previous prime is 851663347. The next prime is 851663401. The reversal of 851663363 is 363366158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 851663363 - 2⁴ = 851663347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 851663363.

It is not a weakly prime, because it can be changed into another prime (851663963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425831681 + 425831682.

It is an arithmetic number, because the mean of its divisors is an integer number (425831682).

Almost surely, 2^851663363 is an apocalyptic number.

851663363 is a deficient number, since it is larger than the sum of its proper divisors (1).

851663363 is an equidigital number, since it uses as much as digits as its factorization.

851663363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 851663363 is about 29183.2719721418. The cubic root of 851663363 is about 947.8857368945.

The spelling of 851663363 in words is "eight hundred fifty-one million, six hundred sixty-three thousand, three hundred sixty-three".