4664120261 has 4 divisors (see below), whose sum is σ = 4664757024. Its totient is φ = 4663483500.

The previous prime is 4664120249. The next prime is 4664120267. The reversal of 4664120261 is 1620214664.

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 4664120261 - 2¹⁰ = 4664119237 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 (4664120267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307265 + ... + 322086.

It is an arithmetic number, because the mean of its divisors is an integer number (1166189256).

Almost surely, 2^4664120261 is an apocalyptic number.

It is an amenable number.

4664120261 is a deficient number, since it is larger than the sum of its proper divisors (636763).

4664120261 is an equidigital number, since it uses as much as digits as its factorization.

4664120261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636762.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4664120261 is about 68294.3647821693. The cubic root of 4664120261 is about 1670.7953065855.

The spelling of 4664120261 in words is "four billion, six hundred sixty-four million, one hundred twenty thousand, two hundred sixty-one".