3509105993 has 2 divisors, whose sum is σ = 3509105994. Its totient is φ = 3509105992.

The previous prime is 3509105987. The next prime is 3509106023. The reversal of 3509105993 is 3995019053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3448390729 + 60715264 = 58723^2 + 7792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3509105993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3509105293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1754552996 + 1754552997.

It is an arithmetic number, because the mean of its divisors is an integer number (1754552997).

Almost surely, 2^3509105993 is an apocalyptic number.

It is an amenable number.

3509105993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3509105993 is an equidigital number, since it uses as much as digits as its factorization.

3509105993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164025, while the sum is 44.

The square root of 3509105993 is about 59237.7075265409. The cubic root of 3509105993 is about 1519.6100674809.

The spelling of 3509105993 in words is "three billion, five hundred nine million, one hundred five thousand, nine hundred ninety-three".