13303343477 has 2 divisors, whose sum is σ = 13303343478. Its totient is φ = 13303343476.

The previous prime is 13303343393. The next prime is 13303343531. The reversal of 13303343477 is 77434330331.

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., 12589064401 + 714279076 = 112201^2 + 26726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13303343477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13303343477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13303343077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651671738 + 6651671739.

It is an arithmetic number, because the mean of its divisors is an integer number (6651671739).

Almost surely, 2^13303343477 is an apocalyptic number.

It is an amenable number.

13303343477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13303343477 is an equidigital number, since it uses as much as digits as its factorization.

13303343477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 38.

The spelling of 13303343477 in words is "thirteen billion, three hundred three million, three hundred forty-three thousand, four hundred seventy-seven".