3275641813 has 4 divisors (see below), whose sum is σ = 3278440288. Its totient is φ = 3272843340.

The previous prime is 3275641799. The next prime is 3275641841. The reversal of 3275641813 is 3181465723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3275641813 - 2²⁹ = 2738770901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3275642813) 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, 1397481 + ... + 1399822.

It is an arithmetic number, because the mean of its divisors is an integer number (819610072).

Almost surely, 2^3275641813 is an apocalyptic number.

It is an amenable number.

3275641813 is a deficient number, since it is larger than the sum of its proper divisors (2798475).

3275641813 is a wasteful number, since it uses less digits than its factorization.

3275641813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798474.

The product of its digits is 120960, while the sum is 40.

The square root of 3275641813 is about 57233.2229828096. Note that the first 3 decimals coincide. The cubic root of 3275641813 is about 1485.1334117387.

The spelling of 3275641813 in words is "three billion, two hundred seventy-five million, six hundred forty-one thousand, eight hundred thirteen".