3381391705 has 8 divisors (see below), whose sum is σ = 4167337032. Its totient is φ = 2632002048.

The previous prime is 3381391693. The next prime is 3381391709. The reversal of 3381391705 is 5071931833.

It can be written as a sum of positive squares in 4 ways, for example, as 302029641 + 3079362064 = 17379^2 + 55492^2 .

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 3381391705 - 2²¹ = 3379294553 is a prime.

It is a super-2 number, since 2×3381391705² = 22867619725285614050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3381391709) 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 7 ways as a sum of consecutive naturals, for example, 9138712 + ... + 9139081.

It is an arithmetic number, because the mean of its divisors is an integer number (520917129).

Almost surely, 2^3381391705 is an apocalyptic number.

It is an amenable number.

3381391705 is a deficient number, since it is larger than the sum of its proper divisors (785945327).

3381391705 is a wasteful number, since it uses less digits than its factorization.

3381391705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18277835.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 3381391705 is about 58149.7352100592. The cubic root of 3381391705 is about 1500.9463221167.

The spelling of 3381391705 in words is "three billion, three hundred eighty-one million, three hundred ninety-one thousand, seven hundred five".