1040041493 has 2 divisors, whose sum is σ = 1040041494. Its totient is φ = 1040041492.

The previous prime is 1040041489. The next prime is 1040041511. The reversal of 1040041493 is 3941400401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982007569 + 58033924 = 31337^2 + 7618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040041493 - 2² = 1040041489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040041433) 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, 520020746 + 520020747.

It is an arithmetic number, because the mean of its divisors is an integer number (520020747).

Almost surely, 2^1040041493 is an apocalyptic number.

It is an amenable number.

1040041493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040041493 is an equidigital number, since it uses as much as digits as its factorization.

1040041493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1040041493 is about 32249.6743084329. The cubic root of 1040041493 is about 1013.1728776869.

Adding to 1040041493 its reverse (3941400401), we get a palindrome (4981441894).

The spelling of 1040041493 in words is "one billion, forty million, forty-one thousand, four hundred ninety-three".