13213790533 has 2 divisors, whose sum is σ = 13213790534. Its totient is φ = 13213790532.

The previous prime is 13213790503. The next prime is 13213790581. The reversal of 13213790533 is 33509731231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8198034849 + 5015755684 = 90543^2 + 70822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13213790533 is a prime.

It is a super-3 number, since 3×13213790533³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13213790492 and 13213790501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13213790503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606895266 + 6606895267.

It is an arithmetic number, because the mean of its divisors is an integer number (6606895267).

Almost surely, 2^13213790533 is an apocalyptic number.

It is an amenable number.

13213790533 is a deficient number, since it is larger than the sum of its proper divisors (1).

13213790533 is an equidigital number, since it uses as much as digits as its factorization.

13213790533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 37.

The spelling of 13213790533 in words is "thirteen billion, two hundred thirteen million, seven hundred ninety thousand, five hundred thirty-three".