13305513847 has 2 divisors, whose sum is σ = 13305513848. Its totient is φ = 13305513846.

The previous prime is 13305513829. The next prime is 13305513863. The reversal of 13305513847 is 74831550331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13305513847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13305513047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6652756923 + 6652756924.

It is an arithmetic number, because the mean of its divisors is an integer number (6652756924).

Almost surely, 2^13305513847 is an apocalyptic number.

13305513847 is a deficient number, since it is larger than the sum of its proper divisors (1).

13305513847 is an equidigital number, since it uses as much as digits as its factorization.

13305513847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 13305513847 in words is "thirteen billion, three hundred five million, five hundred thirteen thousand, eight hundred forty-seven".