41013450421 has 4 divisors (see below), whose sum is σ = 42121922092. Its totient is φ = 39904978752.

The previous prime is 41013450409. The next prime is 41013450427. The reversal of 41013450421 is 12405431014.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39645190321 + 1368260100 = 199111^2 + 36990^2 .

It is a cyclic number.

It is not a de Polignac number, because 41013450421 - 2⁵ = 41013450389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41013450427) 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 in 3 ways as a sum of consecutive naturals, for example, 554235780 + ... + 554235853.

It is an arithmetic number, because the mean of its divisors is an integer number (10530480523).

Almost surely, 2^41013450421 is an apocalyptic number.

It is an amenable number.

41013450421 is a deficient number, since it is larger than the sum of its proper divisors (1108471671).

41013450421 is a wasteful number, since it uses less digits than its factorization.

41013450421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108471670.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 41013450421 its reverse (12405431014), we get a palindrome (53418881435).

The spelling of 41013450421 in words is "forty-one billion, thirteen million, four hundred fifty thousand, four hundred twenty-one".