4661650405 has 4 divisors (see below), whose sum is σ = 5593980492. Its totient is φ = 3729320320.

The previous prime is 4661650379. The next prime is 4661650417. The reversal of 4661650405 is 5040561664.

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 624700036 + 4036950369 = 24994^2 + 63537^2 .

It is not a de Polignac number, because 4661650405 - 2¹³ = 4661642213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466165036 + ... + 466165045.

It is an arithmetic number, because the mean of its divisors is an integer number (1398495123).

Almost surely, 2^4661650405 is an apocalyptic number.

It is an amenable number.

4661650405 is a deficient number, since it is larger than the sum of its proper divisors (932330087).

4661650405 is an equidigital number, since it uses as much as digits as its factorization.

4661650405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932330086.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 4661650405 is about 68276.2799587089. The cubic root of 4661650405 is about 1670.5003347433.

The spelling of 4661650405 in words is "four billion, six hundred sixty-one million, six hundred fifty thousand, four hundred five".