3509117893 has 2 divisors, whose sum is σ = 3509117894. Its totient is φ = 3509117892.

The previous prime is 3509117891. The next prime is 3509117897. The reversal of 3509117893 is 3987119053.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3084469444 + 424648449 = 55538^2 + 20607^2 .

It is a cyclic number.

It is not a de Polignac number, because 3509117893 - 2¹ = 3509117891 is a prime.

Together with 3509117891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3509117891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1754558946 + 1754558947.

It is an arithmetic number, because the mean of its divisors is an integer number (1754558947).

Almost surely, 2^3509117893 is an apocalyptic number.

It is an amenable number.

3509117893 is a deficient number, since it is larger than the sum of its proper divisors (1).

3509117893 is an equidigital number, since it uses as much as digits as its factorization.

3509117893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 3509117893 is about 59237.8079692353. The cubic root of 3509117893 is about 1519.6117852345.

The spelling of 3509117893 in words is "three billion, five hundred nine million, one hundred seventeen thousand, eight hundred ninety-three".