16045331213 has 2 divisors, whose sum is σ = 16045331214. Its totient is φ = 16045331212.

The previous prime is 16045331177. The next prime is 16045331227. The reversal of 16045331213 is 31213354061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15872724169 + 172607044 = 125987^2 + 13138^2 .

It is a cyclic number.

It is not a de Polignac number, because 16045331213 - 2²⁰ = 16044282637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16045331293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8022665606 + 8022665607.

It is an arithmetic number, because the mean of its divisors is an integer number (8022665607).

Almost surely, 2^16045331213 is an apocalyptic number.

It is an amenable number.

16045331213 is a deficient number, since it is larger than the sum of its proper divisors (1).

16045331213 is an equidigital number, since it uses as much as digits as its factorization.

16045331213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 16045331213 its reverse (31213354061), we get a palindrome (47258685274).

The spelling of 16045331213 in words is "sixteen billion, forty-five million, three hundred thirty-one thousand, two hundred thirteen".