3345738891 has 16 divisors (see below), whose sum is σ = 5023515648. Its totient is φ = 1962309600.

The previous prime is 3345738889. The next prime is 3345738943. The reversal of 3345738891 is 1988375433.

It is not a de Polignac number, because 3345738891 - 2¹ = 3345738889 is a prime.

It is a super-2 number, since 2×3345738891² = 22387937453499819762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3345738811) 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 15 ways as a sum of consecutive naturals, for example, 1634236 + ... + 1636281.

It is an arithmetic number, because the mean of its divisors is an integer number (313969728).

Almost surely, 2^3345738891 is an apocalyptic number.

3345738891 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3345738891 is a deficient number, since it is larger than the sum of its proper divisors (1677776757).

3345738891 is a wasteful number, since it uses less digits than its factorization.

3345738891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270562.

The product of its digits is 2177280, while the sum is 51.

The square root of 3345738891 is about 57842.3624258207. The cubic root of 3345738891 is about 1495.6524321656.

The spelling of 3345738891 in words is "three billion, three hundred forty-five million, seven hundred thirty-eight thousand, eight hundred ninety-one".