3500243565 has 64 divisors (see below), whose sum is σ = 6937115136. Its totient is φ = 1467528192.

The previous prime is 3500243557. The next prime is 3500243567. The reversal of 3500243565 is 5653420053.

3500243565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3500243565 - 2³ = 3500243557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500243567) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 206139 + ... + 222471.

It is an arithmetic number, because the mean of its divisors is an integer number (108392424).

Almost surely, 2^3500243565 is an apocalyptic number.

3500243565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3500243565 is a deficient number, since it is larger than the sum of its proper divisors (3436871571).

3500243565 is a wasteful number, since it uses less digits than its factorization.

3500243565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16518.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 3500243565 is about 59162.8562951452. The cubic root of 3500243565 is about 1518.3297044920.

The spelling of 3500243565 in words is "three billion, five hundred million, two hundred forty-three thousand, five hundred sixty-five".