13464700850581 has 2 divisors, whose sum is σ = 13464700850582. Its totient is φ = 13464700850580.

The previous prime is 13464700850459. The next prime is 13464700850593. The reversal of 13464700850581 is 18505800746431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8026285624900 + 5438415225681 = 2833070^2 + 2332041^2 .

It is a cyclic number.

It is not a de Polignac number, because 13464700850581 - 2²³ = 13464692461973 is a prime.

It is a super-2 number, since 2×13464700850581² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13464700850281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6732350425290 + 6732350425291.

It is an arithmetic number, because the mean of its divisors is an integer number (6732350425291).

Almost surely, 2^{13464700850581} is an apocalyptic number.

It is an amenable number.

13464700850581 is a deficient number, since it is larger than the sum of its proper divisors (1).

13464700850581 is an equidigital number, since it uses as much as digits as its factorization.

13464700850581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 13464700850581 in words is "thirteen trillion, four hundred sixty-four billion, seven hundred million, eight hundred fifty thousand, five hundred eighty-one".