13503277673 has 2 divisors, whose sum is σ = 13503277674. Its totient is φ = 13503277672.

The previous prime is 13503277661. The next prime is 13503277709. The reversal of 13503277673 is 37677230531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13449504784 + 53772889 = 115972^2 + 7333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13503277673 is a prime.

It is a super-3 number, since 3×13503277673³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13503277373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6751638836 + 6751638837.

It is an arithmetic number, because the mean of its divisors is an integer number (6751638837).

Almost surely, 2^13503277673 is an apocalyptic number.

It is an amenable number.

13503277673 is a deficient number, since it is larger than the sum of its proper divisors (1).

13503277673 is an equidigital number, since it uses as much as digits as its factorization.

13503277673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 44.

The spelling of 13503277673 in words is "thirteen billion, five hundred three million, two hundred seventy-seven thousand, six hundred seventy-three".