8464439803 has 2 divisors, whose sum is σ = 8464439804. Its totient is φ = 8464439802.

The previous prime is 8464439801. The next prime is 8464439821. The reversal of 8464439803 is 3089344648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8464439803 - 2¹ = 8464439801 is a prime.

It is a super-2 number, since 2×8464439803² (a number of 21 digits) contains 22 as substring.

Together with 8464439801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8464439801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4232219901 + 4232219902.

It is an arithmetic number, because the mean of its divisors is an integer number (4232219902).

Almost surely, 2^8464439803 is an apocalyptic number.

8464439803 is a deficient number, since it is larger than the sum of its proper divisors (1).

8464439803 is an equidigital number, since it uses as much as digits as its factorization.

8464439803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 49.

The square root of 8464439803 is about 92002.3902026464. The cubic root of 8464439803 is about 2037.9776031596.

The spelling of 8464439803 in words is "eight billion, four hundred sixty-four million, four hundred thirty-nine thousand, eight hundred three".