3409417985 has 4 divisors (see below), whose sum is σ = 4091301588. Its totient is φ = 2727534384.

The previous prime is 3409417967. The next prime is 3409418003. The reversal of 3409417985 is 5897149043.

3409417985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3409417967) and next prime (3409418003).

It can be written as a sum of positive squares in 2 ways, for example, as 778856464 + 2630561521 = 27908^2 + 51289^2 .

It is a cyclic number.

It is not a de Polignac number, because 3409417985 - 2²⁰ = 3408369409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340941794 + ... + 340941803.

It is an arithmetic number, because the mean of its divisors is an integer number (1022825397).

Almost surely, 2^3409417985 is an apocalyptic number.

It is an amenable number.

3409417985 is a deficient number, since it is larger than the sum of its proper divisors (681883603).

3409417985 is an equidigital number, since it uses as much as digits as its factorization.

3409417985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681883602.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 3409417985 is about 58390.2216556848. The cubic root of 3409417985 is about 1505.0817253443.

The spelling of 3409417985 in words is "three billion, four hundred nine million, four hundred seventeen thousand, nine hundred eighty-five".