3509734909 has 2 divisors, whose sum is σ = 3509734910. Its totient is φ = 3509734908.

The previous prime is 3509734897. The next prime is 3509734939. The reversal of 3509734909 is 9094379053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3505232025 + 4502884 = 59205^2 + 2122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3509734909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3509734939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1754867454 + 1754867455.

It is an arithmetic number, because the mean of its divisors is an integer number (1754867455).

Almost surely, 2^3509734909 is an apocalyptic number.

It is an amenable number.

3509734909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3509734909 is an equidigital number, since it uses as much as digits as its factorization.

3509734909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 49.

The square root of 3509734909 is about 59243.0156980551. The cubic root of 3509734909 is about 1519.7008455876.

The spelling of 3509734909 in words is "three billion, five hundred nine million, seven hundred thirty-four thousand, nine hundred nine".