3813485461 has 4 divisors (see below), whose sum is σ = 3820332492. Its totient is φ = 3806638432.

The previous prime is 3813485453. The next prime is 3813485477. The reversal of 3813485461 is 1645843183.

3813485461 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 1645843183 = 2663 ⋅618041.

It can be written as a sum of positive squares in 2 ways, for example, as 1201662225 + 2611823236 = 34665^2 + 51106^2 .

It is a cyclic number.

It is not a de Polignac number, because 3813485461 - 2³ = 3813485453 is a prime.

It is a super-2 number, since 2×3813485461² = 29085342722516765042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813485411) 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, 3422680 + ... + 3423793.

It is an arithmetic number, because the mean of its divisors is an integer number (955083123).

Almost surely, 2^3813485461 is an apocalyptic number.

It is an amenable number.

3813485461 is a deficient number, since it is larger than the sum of its proper divisors (6847031).

3813485461 is an equidigital number, since it uses as much as digits as its factorization.

3813485461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847030.

The product of its digits is 276480, while the sum is 43.

The square root of 3813485461 is about 61753.4246904575. The cubic root of 3813485461 is about 1562.3345307526.

The spelling of 3813485461 in words is "three billion, eight hundred thirteen million, four hundred eighty-five thousand, four hundred sixty-one".