3345618991 has 8 divisors (see below), whose sum is σ = 3930517584. Its totient is φ = 2807512320.

The previous prime is 3345618979. The next prime is 3345619021. The reversal of 3345618991 is 1998165433.

3345618991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3345618991 - 2¹⁹ = 3345094703 is a prime.

It is a super-2 number, since 2×3345618991² = 22386332865879716162, 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 (3345618931) 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, 11697826 + ... + 11698111.

It is an arithmetic number, because the mean of its divisors is an integer number (491314698).

Almost surely, 2^3345618991 is an apocalyptic number.

3345618991 is a deficient number, since it is larger than the sum of its proper divisors (584898593).

3345618991 is a wasteful number, since it uses less digits than its factorization.

3345618991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23395961.

The product of its digits is 699840, while the sum is 49.

The square root of 3345618991 is about 57841.3259789227. The cubic root of 3345618991 is about 1495.6345655722.

The spelling of 3345618991 in words is "three billion, three hundred forty-five million, six hundred eighteen thousand, nine hundred ninety-one".