3405163945 has 8 divisors (see below), whose sum is σ = 4301259840. Its totient is φ = 2580755760.

The previous prime is 3405163933. The next prime is 3405163987. The reversal of 3405163945 is 5493615043.

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

It is not a de Polignac number, because 3405163945 - 2²⁹ = 2868293033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3405163898 and 3405163907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17921821 + ... + 17922010.

It is an arithmetic number, because the mean of its divisors is an integer number (537657480).

Almost surely, 2^3405163945 is an apocalyptic number.

It is an amenable number.

3405163945 is a deficient number, since it is larger than the sum of its proper divisors (896095895).

3405163945 is a wasteful number, since it uses less digits than its factorization.

3405163945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35843855.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 3405163945 is about 58353.7826108985. The cubic root of 3405163945 is about 1504.4554852567.

Adding to 3405163945 its reverse (5493615043), we get a palindrome (8898778988).

The spelling of 3405163945 in words is "three billion, four hundred five million, one hundred sixty-three thousand, nine hundred forty-five".