3384043661 has 4 divisors (see below), whose sum is σ = 3384279324. Its totient is φ = 3383808000.

The previous prime is 3384043631. The next prime is 3384043667. The reversal of 3384043661 is 1663404833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1663404833 = 1381 ⋅1204493.

It can be written as a sum of positive squares in 2 ways, for example, as 2509008100 + 875035561 = 50090^2 + 29581^2 .

It is a cyclic number.

It is not a de Polignac number, because 3384043661 - 2¹⁸ = 3383781517 is a prime.

It is a super-2 number, since 2×3384043661² = 22903502999108565842, 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 (3384043667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94790 + ... + 125511.

It is an arithmetic number, because the mean of its divisors is an integer number (846069831).

Almost surely, 2^3384043661 is an apocalyptic number.

It is an amenable number.

3384043661 is a deficient number, since it is larger than the sum of its proper divisors (235663).

3384043661 is a wasteful number, since it uses less digits than its factorization.

3384043661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235662.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 3384043661 is about 58172.5335618108. The cubic root of 3384043661 is about 1501.3386066957.

The spelling of 3384043661 in words is "three billion, three hundred eighty-four million, forty-three thousand, six hundred sixty-one".