2041440197 has 2 divisors, whose sum is σ = 2041440198. Its totient is φ = 2041440196.

The previous prime is 2041440157. The next prime is 2041440263. The reversal of 2041440197 is 7910441402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1660644001 + 380796196 = 40751^2 + 19514^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041440197 - 2⁶ = 2041440133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2041440157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020720098 + 1020720099.

It is an arithmetic number, because the mean of its divisors is an integer number (1020720099).

Almost surely, 2^2041440197 is an apocalyptic number.

It is an amenable number.

2041440197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2041440197 is an equidigital number, since it uses as much as digits as its factorization.

2041440197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2041440197 is about 45182.2995984047. The cubic root of 2041440197 is about 1268.5635270221.

Adding to 2041440197 its reverse (7910441402), we get a palindrome (9951881599).

The spelling of 2041440197 in words is "two billion, forty-one million, four hundred forty thousand, one hundred ninety-seven".