3505929665 has 12 divisors (see below), whose sum is σ = 4893991956. Its totient is φ = 2404065888.

The previous prime is 3505929643. The next prime is 3505929667. The reversal of 3505929665 is 5669295053.

3505929665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 521711281 + 2984218384 = 22841^2 + 54628^2 .

It is not a de Polignac number, because 3505929665 - 2²⁴ = 3489152449 is a prime.

It is a super-3 number, since 3×3505929665³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3505929667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7154714 + ... + 7155203.

It is an arithmetic number, because the mean of its divisors is an integer number (407832663).

Almost surely, 2^3505929665 is an apocalyptic number.

3505929665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3505929665 is a deficient number, since it is larger than the sum of its proper divisors (1388062291).

3505929665 is a wasteful number, since it uses less digits than its factorization.

3505929665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14309936 (or 14309929 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 50.

The square root of 3505929665 is about 59210.8914389912. The cubic root of 3505929665 is about 1519.1514286237.

The spelling of 3505929665 in words is "three billion, five hundred five million, nine hundred twenty-nine thousand, six hundred sixty-five".