13553147603 has 2 divisors, whose sum is σ = 13553147604. Its totient is φ = 13553147602.

The previous prime is 13553147563. The next prime is 13553147611. The reversal of 13553147603 is 30674135531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13553147603 - 2²⁶ = 13486038739 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13553047603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776573801 + 6776573802.

It is an arithmetic number, because the mean of its divisors is an integer number (6776573802).

Almost surely, 2^13553147603 is an apocalyptic number.

13553147603 is a deficient number, since it is larger than the sum of its proper divisors (1).

13553147603 is an equidigital number, since it uses as much as digits as its factorization.

13553147603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 13553147603 in words is "thirteen billion, five hundred fifty-three million, one hundred forty-seven thousand, six hundred three".