3409891161 has 8 divisors (see below), whose sum is σ = 4813964064. Its totient is φ = 2139539520.

The previous prime is 3409891139. The next prime is 3409891171. The reversal of 3409891161 is 1611989043.

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

It is not a de Polignac number, because 3409891161 - 2¹⁵ = 3409858393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3409891171) 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, 33430255 + ... + 33430356.

It is an arithmetic number, because the mean of its divisors is an integer number (601745508).

Almost surely, 2^3409891161 is an apocalyptic number.

It is an amenable number.

3409891161 is a deficient number, since it is larger than the sum of its proper divisors (1404072903).

3409891161 is a wasteful number, since it uses less digits than its factorization.

3409891161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66860631.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 3409891161 is about 58394.2733579244. The cubic root of 3409891161 is about 1505.1513497015.

The spelling of 3409891161 in words is "three billion, four hundred nine million, eight hundred ninety-one thousand, one hundred sixty-one".