2423805871181 has 2 divisors, whose sum is σ = 2423805871182. Its totient is φ = 2423805871180.

The previous prime is 2423805871153. The next prime is 2423805871247. The reversal of 2423805871181 is 1811785083242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1462082415556 + 961723455625 = 1209166^2 + 980675^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423805871181 - 2⁶ = 2423805871117 is a prime.

It is a super-2 number, since 2×2423805871181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2423805871681) 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, 1211902935590 + 1211902935591.

It is an arithmetic number, because the mean of its divisors is an integer number (1211902935591).

Almost surely, 2^{2423805871181} is an apocalyptic number.

It is an amenable number.

2423805871181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423805871181 is an equidigital number, since it uses as much as digits as its factorization.

2423805871181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 2423805871181 in words is "two trillion, four hundred twenty-three billion, eight hundred five million, eight hundred seventy-one thousand, one hundred eighty-one".