4604861645 has 4 divisors (see below), whose sum is σ = 5525833980. Its totient is φ = 3683889312.

The previous prime is 4604861629. The next prime is 4604861683. The reversal of 4604861645 is 5461684064.

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 2169044329 + 2435817316 = 46573^2 + 49354^2 .

It is a cyclic number.

It is not a de Polignac number, because 4604861645 - 2⁴ = 4604861629 is a prime.

It is a super-3 number, since 3×4604861645³ (a number of 30 digits) contains 333 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 4604861596 and 4604861605.

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, 460486160 + ... + 460486169.

It is an arithmetic number, because the mean of its divisors is an integer number (1381458495).

Almost surely, 2^4604861645 is an apocalyptic number.

It is an amenable number.

4604861645 is a deficient number, since it is larger than the sum of its proper divisors (920972335).

4604861645 is an equidigital number, since it uses as much as digits as its factorization.

4604861645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920972334.

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 4604861645 is about 67859.1308889231. The cubic root of 4604861645 is about 1663.6891924671.

The spelling of 4604861645 in words is "four billion, six hundred four million, eight hundred sixty-one thousand, six hundred forty-five".