981208463 has 2 divisors, whose sum is σ = 981208464. Its totient is φ = 981208462.

The previous prime is 981208457. The next prime is 981208483. The reversal of 981208463 is 364802189.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 981208463 - 2⁶ = 981208399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 981208463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (981208453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490604231 + 490604232.

It is an arithmetic number, because the mean of its divisors is an integer number (490604232).

Almost surely, 2^981208463 is an apocalyptic number.

981208463 is a deficient number, since it is larger than the sum of its proper divisors (1).

981208463 is an equidigital number, since it uses as much as digits as its factorization.

981208463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 981208463 is about 31324.2472056393. The cubic root of 981208463 is about 993.6965037563.

The spelling of 981208463 in words is "nine hundred eighty-one million, two hundred eight thousand, four hundred sixty-three".