3349999891 has 16 divisors (see below), whose sum is σ = 3903768000. Its totient is φ = 2815332480.

The previous prime is 3349999879. The next prime is 3349999901. The reversal of 3349999891 is 1989999433.

It is a cyclic number.

It is not a de Polignac number, because 3349999891 - 2²¹ = 3347902739 is a prime.

It is a super-2 number, since 2×3349999891² = 22444998539400023762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3349999811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122985 + ... + 147733.

It is an arithmetic number, because the mean of its divisors is an integer number (243985500).

Almost surely, 2^3349999891 is an apocalyptic number.

3349999891 is a deficient number, since it is larger than the sum of its proper divisors (553768109).

3349999891 is a wasteful number, since it uses less digits than its factorization.

3349999891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25134.

The product of its digits is 17006112, while the sum is 64.

The square root of 3349999891 is about 57879.1835723345. The cubic root of 3349999891 is about 1496.2870973001.

The spelling of 3349999891 in words is "three billion, three hundred forty-nine million, nine hundred ninety-nine thousand, eight hundred ninety-one".