8081985403 has 2 divisors, whose sum is σ = 8081985404. Its totient is φ = 8081985402.

The previous prime is 8081985391. The next prime is 8081985409. The reversal of 8081985403 is 3045891808.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8081985403 is a prime.

It is not a weakly prime, because it can be changed into another prime (8081985409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4040992701 + 4040992702.

It is an arithmetic number, because the mean of its divisors is an integer number (4040992702).

Almost surely, 2^8081985403 is an apocalyptic number.

8081985403 is a deficient number, since it is larger than the sum of its proper divisors (1).

8081985403 is an equidigital number, since it uses as much as digits as its factorization.

8081985403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 8081985403 is about 89899.8631978937. The cubic root of 8081985403 is about 2006.8089099833.

The spelling of 8081985403 in words is "eight billion, eighty-one million, nine hundred eighty-five thousand, four hundred three".