13331499893 has 2 divisors, whose sum is σ = 13331499894. Its totient is φ = 13331499892.

The previous prime is 13331499847. The next prime is 13331500001. The reversal of 13331499893 is 39899413331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10080561604 + 3250938289 = 100402^2 + 57017^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331499893 - 2¹⁴ = 13331483509 is a prime.

It is a super-2 number, since 2×13331499893² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13331999893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665749946 + 6665749947.

It is an arithmetic number, because the mean of its divisors is an integer number (6665749947).

Almost surely, 2^13331499893 is an apocalyptic number.

It is an amenable number.

13331499893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331499893 is an equidigital number, since it uses as much as digits as its factorization.

13331499893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 53.

The spelling of 13331499893 in words is "thirteen billion, three hundred thirty-one million, four hundred ninety-nine thousand, eight hundred ninety-three".