3409865853 has 4 divisors (see below), whose sum is σ = 4546487808. Its totient is φ = 2273243900.

The previous prime is 3409865827. The next prime is 3409865881. The reversal of 3409865853 is 3585689043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3585689043 = 3 ⋅1195229681.

It is a cyclic number.

It is not a de Polignac number, because 3409865853 - 2⁵ = 3409865821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3409865796 and 3409865805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3409865813) 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, 568310973 + ... + 568310978.

It is an arithmetic number, because the mean of its divisors is an integer number (1136621952).

Almost surely, 2^3409865853 is an apocalyptic number.

It is an amenable number.

3409865853 is a deficient number, since it is larger than the sum of its proper divisors (1136621955).

3409865853 is a wasteful number, since it uses less digits than its factorization.

3409865853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136621954.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The square root of 3409865853 is about 58394.0566581908. The cubic root of 3409865853 is about 1505.1476259790.

The spelling of 3409865853 in words is "three billion, four hundred nine million, eight hundred sixty-five thousand, eight hundred fifty-three".