3405371809 has 8 divisors (see below), whose sum is σ = 3986777088. Its totient is φ = 2847697440.

The previous prime is 3405371791. The next prime is 3405371821. The reversal of 3405371809 is 9081735043.

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

It is not a de Polignac number, because 3405371809 - 2¹⁷ = 3405240737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3405371009) 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, 5932417 + ... + 5932990.

It is an arithmetic number, because the mean of its divisors is an integer number (498347136).

Almost surely, 2^3405371809 is an apocalyptic number.

It is an amenable number.

3405371809 is a deficient number, since it is larger than the sum of its proper divisors (581405279).

3405371809 is a wasteful number, since it uses less digits than its factorization.

3405371809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11865455.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 3405371809 is about 58355.5636507780. The cubic root of 3405371809 is about 1504.4860971721.

The spelling of 3405371809 in words is "three billion, four hundred five million, three hundred seventy-one thousand, eight hundred nine".