3372086821 has 4 divisors (see below), whose sum is σ = 3404825632. Its totient is φ = 3339348012.

The previous prime is 3372086813. The next prime is 3372086827. The reversal of 3372086821 is 1286802733.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1286802733 = 16217 ⋅79349.

It is a cyclic number.

It is not a de Polignac number, because 3372086821 - 2³ = 3372086813 is a prime.

It is a super-2 number, since 2×3372086821² = 22741939056723772082, 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 (3372086827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16369251 + ... + 16369456.

It is an arithmetic number, because the mean of its divisors is an integer number (851206408).

Almost surely, 2^3372086821 is an apocalyptic number.

It is an amenable number.

3372086821 is a deficient number, since it is larger than the sum of its proper divisors (32738811).

3372086821 is a wasteful number, since it uses less digits than its factorization.

3372086821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32738810.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 3372086821 is about 58069.6721275400. The cubic root of 3372086821 is about 1499.5682936910.

The spelling of 3372086821 in words is "three billion, three hundred seventy-two million, eighty-six thousand, eight hundred twenty-one".