3509491038 has 8 divisors (see below), whose sum is σ = 7018982088. Its totient is φ = 1169830344.

The previous prime is 3509491031. The next prime is 3509491091. The reversal of 3509491038 is 8301949053.

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

3509491038 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3509491031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292457581 + ... + 292457592.

It is an arithmetic number, because the mean of its divisors is an integer number (877372761).

Almost surely, 2^3509491038 is an apocalyptic number.

3509491038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3509491038 is a wasteful number, since it uses less digits than its factorization.

3509491038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584915178.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 3509491038 is about 59240.9574365574. The cubic root of 3509491038 is about 1519.6656463909.

The spelling of 3509491038 in words is "three billion, five hundred nine million, four hundred ninety-one thousand, thirty-eight".