13318147747 has 2 divisors, whose sum is σ = 13318147748. Its totient is φ = 13318147746.

The previous prime is 13318147729. The next prime is 13318147753. The reversal of 13318147747 is 74774181331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13318147747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13318147697 and 13318147706.

It is not a weakly prime, because it can be changed into another prime (13318141747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6659073873 + 6659073874.

It is an arithmetic number, because the mean of its divisors is an integer number (6659073874).

Almost surely, 2^13318147747 is an apocalyptic number.

13318147747 is a deficient number, since it is larger than the sum of its proper divisors (1).

13318147747 is an equidigital number, since it uses as much as digits as its factorization.

13318147747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 46.

The spelling of 13318147747 in words is "thirteen billion, three hundred eighteen million, one hundred forty-seven thousand, seven hundred forty-seven".