3355372821 has 8 divisors (see below), whose sum is σ = 4475233984. Its totient is φ = 2236213440.

The previous prime is 3355372789. The next prime is 3355372859. The reversal of 3355372821 is 1282735533.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3355372821 - 2⁵ = 3355372789 is a prime.

It is a super-2 number, since 2×3355372821² = 22517053535810996082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3355372821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3355372021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164185 + ... + 183486.

It is an arithmetic number, because the mean of its divisors is an integer number (559404248).

Almost surely, 2^3355372821 is an apocalyptic number.

It is an amenable number.

3355372821 is a deficient number, since it is larger than the sum of its proper divisors (1119861163).

3355372821 is a wasteful number, since it uses less digits than its factorization.

3355372821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350891.

The product of its digits is 151200, while the sum is 39.

The square root of 3355372821 is about 57925.5800229916. The cubic root of 3355372821 is about 1497.0866148994.

The spelling of 3355372821 in words is "three billion, three hundred fifty-five million, three hundred seventy-two thousand, eight hundred twenty-one".