4201413661 has 4 divisors (see below), whose sum is σ = 4232081052. Its totient is φ = 4170746272.

The previous prime is 4201413577. The next prime is 4201413673. The reversal of 4201413661 is 1663141024.

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 1010858436 + 3190555225 = 31794^2 + 56485^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201413661 - 2⁷ = 4201413533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201413061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15333490 + ... + 15333763.

It is an arithmetic number, because the mean of its divisors is an integer number (1058020263).

Almost surely, 2^4201413661 is an apocalyptic number.

It is an amenable number.

4201413661 is a deficient number, since it is larger than the sum of its proper divisors (30667391).

4201413661 is a wasteful number, since it uses less digits than its factorization.

4201413661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30667390.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4201413661 is about 64818.3126978788. The cubic root of 4201413661 is about 1613.6096448580.

Adding to 4201413661 its reverse (1663141024), we get a palindrome (5864554685).

The spelling of 4201413661 in words is "four billion, two hundred one million, four hundred thirteen thousand, six hundred sixty-one".