4169018641 has 4 divisors (see below), whose sum is σ = 4199449572. Its totient is φ = 4138587712.

The previous prime is 4169018599. The next prime is 4169018657. The reversal of 4169018641 is 1468109614.

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 1895731600 + 2273287041 = 43540^2 + 47679^2 .

It is a cyclic number.

It is not a de Polignac number, because 4169018641 - 2³¹ = 2021534993 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4169018594 and 4169018603.

It is not an unprimeable number, because it can be changed into a prime (4169010641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15215260 + ... + 15215533.

It is an arithmetic number, because the mean of its divisors is an integer number (1049862393).

Almost surely, 2^4169018641 is an apocalyptic number.

It is an amenable number.

4169018641 is a deficient number, since it is larger than the sum of its proper divisors (30430931).

4169018641 is a wasteful number, since it uses less digits than its factorization.

4169018641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30430930.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 4169018641 is about 64567.9381814225. The cubic root of 4169018641 is about 1609.4516915581.

The spelling of 4169018641 in words is "four billion, one hundred sixty-nine million, eighteen thousand, six hundred forty-one".