413644493 has 4 divisors (see below), whose sum is σ = 437976540. Its totient is φ = 389312448.

The previous prime is 413644481. The next prime is 413644507. The reversal of 413644493 is 394446314.

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 375661924 + 37982569 = 19382^2 + 6163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-413644493 is a prime.

It is a super-2 number, since 2×413644493² = 342203533178454098, which 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 (413644433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12165998 + ... + 12166031.

It is an arithmetic number, because the mean of its divisors is an integer number (109494135).

Almost surely, 2^413644493 is an apocalyptic number.

It is an amenable number.

413644493 is a deficient number, since it is larger than the sum of its proper divisors (24332047).

413644493 is a wasteful number, since it uses less digits than its factorization.

413644493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24332046.

The product of its digits is 124416, while the sum is 38.

The square root of 413644493 is about 20338.2519652009. The cubic root of 413644493 is about 745.0905963125.

The spelling of 413644493 in words is "four hundred thirteen million, six hundred forty-four thousand, four hundred ninety-three".