41405515493 has 2 divisors, whose sum is σ = 41405515494. Its totient is φ = 41405515492.

The previous prime is 41405515457. The next prime is 41405515507. The reversal of 41405515493 is 39451550414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41031363844 + 374151649 = 202562^2 + 19343^2 .

It is a cyclic number.

It is not a de Polignac number, because 41405515493 - 2⁶ = 41405515429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 41405515493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41405515433) 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, 20702757746 + 20702757747.

It is an arithmetic number, because the mean of its divisors is an integer number (20702757747).

Almost surely, 2^41405515493 is an apocalyptic number.

It is an amenable number.

41405515493 is a deficient number, since it is larger than the sum of its proper divisors (1).

41405515493 is an equidigital number, since it uses as much as digits as its factorization.

41405515493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 41405515493 in words is "forty-one billion, four hundred five million, five hundred fifteen thousand, four hundred ninety-three".