3500500109 has 2 divisors, whose sum is σ = 3500500110. Its totient is φ = 3500500108.

The previous prime is 3500500049. The next prime is 3500500127. The reversal of 3500500109 is 9010050053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2398060900 + 1102439209 = 48970^2 + 33203^2 .

It is a cyclic number.

It is not a de Polignac number, because 3500500109 - 2⁸ = 3500499853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3500500609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1750250054 + 1750250055.

It is an arithmetic number, because the mean of its divisors is an integer number (1750250055).

Almost surely, 2^3500500109 is an apocalyptic number.

It is an amenable number.

3500500109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3500500109 is an equidigital number, since it uses as much as digits as its factorization.

3500500109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 3500500109 is about 59165.0243725125. The cubic root of 3500500109 is about 1518.3667979925.

The spelling of 3500500109 in words is "three billion, five hundred million, five hundred thousand, one hundred nine".