11833864881493 has 2 divisors, whose sum is σ = 11833864881494. Its totient is φ = 11833864881492.

The previous prime is 11833864881467. The next prime is 11833864881557. The reversal of 11833864881493 is 39418846833811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8701042761009 + 3132822120484 = 2949753^2 + 1769978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11833864881493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11833864881463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5916932440746 + 5916932440747.

It is an arithmetic number, because the mean of its divisors is an integer number (5916932440747).

Almost surely, 2^{11833864881493} is an apocalyptic number.

It is an amenable number.

11833864881493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11833864881493 is an equidigital number, since it uses as much as digits as its factorization.

11833864881493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95551488, while the sum is 67.

The spelling of 11833864881493 in words is "eleven trillion, eight hundred thirty-three billion, eight hundred sixty-four million, eight hundred eighty-one thousand, four hundred ninety-three".