4086219145 has 4 divisors (see below), whose sum is σ = 4903462980. Its totient is φ = 3268975312.

The previous prime is 4086219143. The next prime is 4086219149. The reversal of 4086219145 is 5419126804.

4086219145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1777128336 + 2309090809 = 42156^2 + 48053^2 .

It is a cyclic number.

It is not a de Polignac number, because 4086219145 - 2¹ = 4086219143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4086219098 and 4086219107.

It is not an unprimeable number, because it can be changed into a prime (4086219143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408621910 + ... + 408621919.

It is an arithmetic number, because the mean of its divisors is an integer number (1225865745).

Almost surely, 2^4086219145 is an apocalyptic number.

It is an amenable number.

4086219145 is a deficient number, since it is larger than the sum of its proper divisors (817243835).

4086219145 is an equidigital number, since it uses as much as digits as its factorization.

4086219145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817243834.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 4086219145 is about 63923.5413990808. The cubic root of 4086219145 is about 1598.7254361208.

The spelling of 4086219145 in words is "four billion, eighty-six million, two hundred nineteen thousand, one hundred forty-five".