13556008747 has 2 divisors, whose sum is σ = 13556008748. Its totient is φ = 13556008746.

The previous prime is 13556008729. The next prime is 13556008769. The reversal of 13556008747 is 74780065531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13556008747 - 2⁷ = 13556008619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13556008697 and 13556008706.

It is not a weakly prime, because it can be changed into another prime (13556008787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6778004373 + 6778004374.

It is an arithmetic number, because the mean of its divisors is an integer number (6778004374).

Almost surely, 2^13556008747 is an apocalyptic number.

13556008747 is a deficient number, since it is larger than the sum of its proper divisors (1).

13556008747 is an equidigital number, since it uses as much as digits as its factorization.

13556008747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 13556008747 in words is "thirteen billion, five hundred fifty-six million, eight thousand, seven hundred forty-seven".