10993522613 has 2 divisors, whose sum is σ = 10993522614. Its totient is φ = 10993522612.

The previous prime is 10993522597. The next prime is 10993522679. The reversal of 10993522613 is 31622539901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10987651684 + 5870929 = 104822^2 + 2423^2 .

It is a cyclic number.

It is not a de Polignac number, because 10993522613 - 2⁴ = 10993522597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10993522693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5496761306 + 5496761307.

It is an arithmetic number, because the mean of its divisors is an integer number (5496761307).

Almost surely, 2^10993522613 is an apocalyptic number.

It is an amenable number.

10993522613 is a deficient number, since it is larger than the sum of its proper divisors (1).

10993522613 is an equidigital number, since it uses as much as digits as its factorization.

10993522613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 10993522613 in words is "ten billion, nine hundred ninety-three million, five hundred twenty-two thousand, six hundred thirteen".