13203020473 has 2 divisors, whose sum is σ = 13203020474. Its totient is φ = 13203020472.

The previous prime is 13203020431. The next prime is 13203020513. The reversal of 13203020473 is 37402030231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9673115904 + 3529904569 = 98352^2 + 59413^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203020473 - 2¹³ = 13203012281 is a prime.

It is a super-2 number, since 2×13203020473² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13203020423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601510236 + 6601510237.

It is an arithmetic number, because the mean of its divisors is an integer number (6601510237).

Almost surely, 2^13203020473 is an apocalyptic number.

It is an amenable number.

13203020473 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203020473 is an equidigital number, since it uses as much as digits as its factorization.

13203020473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The spelling of 13203020473 in words is "thirteen billion, two hundred three million, twenty thousand, four hundred seventy-three".