3871533485 has 4 divisors (see below), whose sum is σ = 4645840188. Its totient is φ = 3097226784.

The previous prime is 3871533467. The next prime is 3871533503. The reversal of 3871533485 is 5843351783.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3871533467) and next prime (3871533503).

It can be written as a sum of positive squares in 2 ways, for example, as 1074921796 + 2796611689 = 32786^2 + 52883^2 .

It is a cyclic number.

It is not a de Polignac number, because 3871533485 - 2²⁰ = 3870484909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387153344 + ... + 387153353.

It is an arithmetic number, because the mean of its divisors is an integer number (1161460047).

Almost surely, 2^3871533485 is an apocalyptic number.

It is an amenable number.

3871533485 is a deficient number, since it is larger than the sum of its proper divisors (774306703).

3871533485 is an equidigital number, since it uses as much as digits as its factorization.

3871533485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774306702.

The product of its digits is 1209600, while the sum is 47.

The square root of 3871533485 is about 62221.6480414976. The cubic root of 3871533485 is about 1570.2218147117.

The spelling of 3871533485 in words is "three billion, eight hundred seventy-one million, five hundred thirty-three thousand, four hundred eighty-five".