413653661 has 4 divisors (see below), whose sum is σ = 420664800. Its totient is φ = 406642524.

The previous prime is 413653649. The next prime is 413653699. The reversal of 413653661 is 166356314.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-413653661 is a prime.

It is a super-2 number, since 2×413653661² = 342218702517405842, 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 (413653861) 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, 3505481 + ... + 3505598.

It is an arithmetic number, because the mean of its divisors is an integer number (105166200).

Almost surely, 2^413653661 is an apocalyptic number.

It is an amenable number.

413653661 is a deficient number, since it is larger than the sum of its proper divisors (7011139).

413653661 is an equidigital number, since it uses as much as digits as its factorization.

413653661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011138.

The product of its digits is 38880, while the sum is 35.

The square root of 413653661 is about 20338.4773520537. The cubic root of 413653661 is about 745.0961009912.

The spelling of 413653661 in words is "four hundred thirteen million, six hundred fifty-three thousand, six hundred sixty-one".