4861169645 has 8 divisors (see below), whose sum is σ = 5913313656. Its totient is φ = 3835662336.

The previous prime is 4861169629. The next prime is 4861169653. The reversal of 4861169645 is 5469611684.

It can be written as a sum of positive squares in 4 ways, for example, as 5031049 + 4856138596 = 2243^2 + 69686^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4861169645 - 2⁴ = 4861169629 is a prime.

It is a super-3 number, since 3×4861169645³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4861169593 and 4861169602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6658772 + ... + 6659501.

It is an arithmetic number, because the mean of its divisors is an integer number (739164207).

Almost surely, 2^4861169645 is an apocalyptic number.

It is an amenable number.

4861169645 is a deficient number, since it is larger than the sum of its proper divisors (1052144011).

4861169645 is a wasteful number, since it uses less digits than its factorization.

4861169645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13318351.

The product of its digits is 1244160, while the sum is 50.

The square root of 4861169645 is about 69722.0886448477. The cubic root of 4861169645 is about 1694.0007272696. Note that the first 3 decimals are identical.

The spelling of 4861169645 in words is "four billion, eight hundred sixty-one million, one hundred sixty-nine thousand, six hundred forty-five".