4861035661 has 4 divisors (see below), whose sum is σ = 4929501024. Its totient is φ = 4792570300.

The previous prime is 4861035659. The next prime is 4861035667. The reversal of 4861035661 is 1665301684.

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 not a de Polignac number, because 4861035661 - 2¹ = 4861035659 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 (4861035667) 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, 34232575 + ... + 34232716.

It is an arithmetic number, because the mean of its divisors is an integer number (1232375256).

Almost surely, 2^4861035661 is an apocalyptic number.

It is an amenable number.

4861035661 is a deficient number, since it is larger than the sum of its proper divisors (68465363).

4861035661 is an equidigital number, since it uses as much as digits as its factorization.

4861035661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68465362.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 4861035661 is about 69721.1277949518. The cubic root of 4861035661 is about 1693.9851637259.

The spelling of 4861035661 in words is "four billion, eight hundred sixty-one million, thirty-five thousand, six hundred sixty-one".