663427341 has 40 divisors (see below), whose sum is σ = 1053803520. Its totient is φ = 415011168.

The previous prime is 663427339. The next prime is 663427343. The reversal of 663427341 is 143724366.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (663427339) and next prime (663427343).

It is not a de Polignac number, because 663427341 - 2¹ = 663427339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 663427296 and 663427305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663427343) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 95380 + ... + 102098.

It is an arithmetic number, because the mean of its divisors is an integer number (26345088).

Almost surely, 2^663427341 is an apocalyptic number.

It is an amenable number.

663427341 is a deficient number, since it is larger than the sum of its proper divisors (390376179).

663427341 is a wasteful number, since it uses less digits than its factorization.

663427341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807 (or 6798 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 663427341 is about 25757.0833170217. The cubic root of 663427341 is about 872.1632610490.

The spelling of 663427341 in words is "six hundred sixty-three million, four hundred twenty-seven thousand, three hundred forty-one".