41603622421 has 4 divisors (see below), whose sum is σ = 41604518700. Its totient is φ = 41602726144.

The previous prime is 41603622413. The next prime is 41603622433. The reversal of 41603622421 is 12422630614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12422630614 = 2 ⋅6211315307.

It can be written as a sum of positive squares in 2 ways, for example, as 14547978225 + 27055644196 = 120615^2 + 164486^2 .

It is a cyclic number.

It is not a de Polignac number, because 41603622421 - 2³ = 41603622413 is a prime.

It is a super-2 number, since 2×41603622421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41603622481) 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, 374476 + ... + 472693.

It is an arithmetic number, because the mean of its divisors is an integer number (10401129675).

Almost surely, 2^41603622421 is an apocalyptic number.

It is an amenable number.

41603622421 is a deficient number, since it is larger than the sum of its proper divisors (896279).

41603622421 is an equidigital number, since it uses as much as digits as its factorization.

41603622421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896278.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 41603622421 in words is "forty-one billion, six hundred three million, six hundred twenty-two thousand, four hundred twenty-one".