73386661003 has 2 divisors, whose sum is σ = 73386661004. Its totient is φ = 73386661002.

The previous prime is 73386660961. The next prime is 73386661013. The reversal of 73386661003 is 30016668337.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73386661003 - 2²⁵ = 73353106571 is a prime.

It is not a weakly prime, because it can be changed into another prime (73386661013) 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, 36693330501 + 36693330502.

It is an arithmetic number, because the mean of its divisors is an integer number (36693330502).

Almost surely, 2^73386661003 is an apocalyptic number.

73386661003 is a deficient number, since it is larger than the sum of its proper divisors (1).

73386661003 is an equidigital number, since it uses as much as digits as its factorization.

73386661003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 73386661003 in words is "seventy-three billion, three hundred eighty-six million, six hundred sixty-one thousand, three".