3405665043 has 24 divisors (see below), whose sum is σ = 5467765680. Its totient is φ = 2025092160.

The previous prime is 3405665017. The next prime is 3405665057.

3405665043 is a `hidden beast` number, since 3 + 4 + 0 + 566 + 50 + 43 = 666.

3405665043 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3405665043 - 2¹⁰ = 3405664019 is a prime.

It is a super-2 number, since 2×3405665043² = 23197108770224383698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3405664989 and 3405665007.

It is not an unprimeable number, because it can be changed into a prime (3405665093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319288 + ... + 329781.

It is an arithmetic number, because the mean of its divisors is an integer number (227823570).

Almost surely, 2^3405665043 is an apocalyptic number.

3405665043 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3405665043 is a deficient number, since it is larger than the sum of its proper divisors (2062100637).

3405665043 is a wasteful number, since it uses less digits than its factorization.

3405665043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649139 (or 649136 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 3405665043 is about 58358.0760734965. The cubic root of 3405665043 is about 1504.5292793207.

It can be divided in two parts, 34056 and 65043, that added together give a palindrome (99099).

The spelling of 3405665043 in words is "three billion, four hundred five million, six hundred sixty-five thousand, forty-three".