8260660403 has 2 divisors, whose sum is σ = 8260660404. Its totient is φ = 8260660402.

The previous prime is 8260660393. The next prime is 8260660493. The reversal of 8260660403 is 3040660628.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8260660403 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8260660493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4130330201 + 4130330202.

It is an arithmetic number, because the mean of its divisors is an integer number (4130330202).

Almost surely, 2^8260660403 is an apocalyptic number.

8260660403 is a deficient number, since it is larger than the sum of its proper divisors (1).

8260660403 is an equidigital number, since it uses as much as digits as its factorization.

8260660403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 8260660403 is about 90888.1752649925. The cubic root of 8260660403 is about 2021.4899639363.

The spelling of 8260660403 in words is "eight billion, two hundred sixty million, six hundred sixty thousand, four hundred three".