13203210073 has 2 divisors, whose sum is σ = 13203210074. Its totient is φ = 13203210072.

The previous prime is 13203210047. The next prime is 13203210077. The reversal of 13203210073 is 37001230231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13163431824 + 39778249 = 114732^2 + 6307^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203210073 - 2⁹ = 13203209561 is a prime.

It is not a weakly prime, because it can be changed into another prime (13203210077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601605036 + 6601605037.

It is an arithmetic number, because the mean of its divisors is an integer number (6601605037).

Almost surely, 2^13203210073 is an apocalyptic number.

It is an amenable number.

13203210073 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203210073 is an equidigital number, since it uses as much as digits as its factorization.

13203210073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The spelling of 13203210073 in words is "thirteen billion, two hundred three million, two hundred ten thousand, seventy-three".