3481165891 has 4 divisors (see below), whose sum is σ = 3978475312. Its totient is φ = 2983856472.

The previous prime is 3481165879. The next prime is 3481165903. The reversal of 3481165891 is 1985611843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1985611843 = 5443 ⋅364801.

It is an interprime number because it is at equal distance from previous prime (3481165879) and next prime (3481165903).

It is a cyclic number.

It is not a de Polignac number, because 3481165891 - 2⁵ = 3481165859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3481165811) 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, 248654700 + ... + 248654713.

It is an arithmetic number, because the mean of its divisors is an integer number (994618828).

Almost surely, 2^3481165891 is an apocalyptic number.

3481165891 is a deficient number, since it is larger than the sum of its proper divisors (497309421).

3481165891 is an equidigital number, since it uses as much as digits as its factorization.

3481165891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497309420.

The product of its digits is 207360, while the sum is 46.

The square root of 3481165891 is about 59001.4058391832. The cubic root of 3481165891 is about 1515.5661839767.

The spelling of 3481165891 in words is "three billion, four hundred eighty-one million, one hundred sixty-five thousand, eight hundred ninety-one".