413640043 has 2 divisors, whose sum is σ = 413640044. Its totient is φ = 413640042.

The previous prime is 413640023. The next prime is 413640077. The reversal of 413640043 is 340046314.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 413640043 - 2⁵ = 413640011 is a prime.

It is not a weakly prime, because it can be changed into another prime (413640023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206820021 + 206820022.

It is an arithmetic number, because the mean of its divisors is an integer number (206820022).

Almost surely, 2^413640043 is an apocalyptic number.

413640043 is a deficient number, since it is larger than the sum of its proper divisors (1).

413640043 is an equidigital number, since it uses as much as digits as its factorization.

413640043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 413640043 is about 20338.1425651410. The cubic root of 413640043 is about 745.0879244005.

Adding to 413640043 its reverse (340046314), we get a palindrome (753686357).

The spelling of 413640043 in words is "four hundred thirteen million, six hundred forty thousand, forty-three".