13573264547 has 2 divisors, whose sum is σ = 13573264548. Its totient is φ = 13573264546.

The previous prime is 13573264493. The next prime is 13573264583. The reversal of 13573264547 is 74546237531.

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-13573264547 is a prime.

It is not a weakly prime, because it can be changed into another prime (13573264247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6786632273 + 6786632274.

It is an arithmetic number, because the mean of its divisors is an integer number (6786632274).

Almost surely, 2^13573264547 is an apocalyptic number.

13573264547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13573264547 is an equidigital number, since it uses as much as digits as its factorization.

13573264547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 47.

The spelling of 13573264547 in words is "thirteen billion, five hundred seventy-three million, two hundred sixty-four thousand, five hundred forty-seven".