10195440181 has 2 divisors, whose sum is σ = 10195440182. Its totient is φ = 10195440180.

The previous prime is 10195440139. The next prime is 10195440259. The reversal of 10195440181 is 18104459101.

10195440181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9145096900 + 1050343281 = 95630^2 + 32409^2 .

It is a cyclic number.

It is not a de Polignac number, because 10195440181 - 2⁹ = 10195439669 is a prime.

It is a super-2 number, since 2×10195440181² (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 (10195440131) 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, 5097720090 + 5097720091.

It is an arithmetic number, because the mean of its divisors is an integer number (5097720091).

Almost surely, 2^10195440181 is an apocalyptic number.

It is an amenable number.

10195440181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10195440181 is an equidigital number, since it uses as much as digits as its factorization.

10195440181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 34.

Adding to 10195440181 its reverse (18104459101), we get a palindrome (28299899282).

The spelling of 10195440181 in words is "ten billion, one hundred ninety-five million, four hundred forty thousand, one hundred eighty-one".