413645641 has 4 divisors (see below), whose sum is σ = 414044800. Its totient is φ = 413246484.

The previous prime is 413645627. The next prime is 413645663. The reversal of 413645641 is 146546314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146546314 = 2 ⋅73273157.

It is a cyclic number.

It is not a de Polignac number, because 413645641 - 2⁹ = 413645129 is a prime.

It is a super-2 number, since 2×413645641² = 342205432636601762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 413645597 and 413645606.

It is not an unprimeable number, because it can be changed into a prime (413645621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198021 + ... + 200098.

It is an arithmetic number, because the mean of its divisors is an integer number (103511200).

Almost surely, 2^413645641 is an apocalyptic number.

It is an amenable number.

413645641 is a deficient number, since it is larger than the sum of its proper divisors (399159).

413645641 is a wasteful number, since it uses less digits than its factorization.

413645641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399158.

The product of its digits is 34560, while the sum is 34.

The square root of 413645641 is about 20338.2801878625. The cubic root of 413645641 is about 745.0912856027.

The spelling of 413645641 in words is "four hundred thirteen million, six hundred forty-five thousand, six hundred forty-one".