3521846409 has 8 divisors (see below), whose sum is σ = 4705852320. Its totient is φ = 2342869056.

The previous prime is 3521846389. The next prime is 3521846423. The reversal of 3521846409 is 9046481253.

3521846409 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3521846409 - 2⁹ = 3521845897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3521846459) 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, 1255504 + ... + 1258305.

It is an arithmetic number, because the mean of its divisors is an integer number (588231540).

Almost surely, 2^3521846409 is an apocalyptic number.

It is an amenable number.

3521846409 is a deficient number, since it is larger than the sum of its proper divisors (1184005911).

3521846409 is a wasteful number, since it uses less digits than its factorization.

3521846409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514279.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 3521846409 is about 59345.1464654019. The cubic root of 3521846409 is about 1521.4469152989.

The spelling of 3521846409 in words is "three billion, five hundred twenty-one million, eight hundred forty-six thousand, four hundred nine".