3505695965 has 8 divisors (see below), whose sum is σ = 4207380408. Its totient is φ = 2804193280.

The previous prime is 3505695937. The next prime is 3505695979. The reversal of 3505695965 is 5695965053.

It can be written as a sum of positive squares in 4 ways, for example, as 1369962169 + 2135733796 = 37013^2 + 46214^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3505695965 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1385 + ... + 83745.

It is an arithmetic number, because the mean of its divisors is an integer number (525922551).

Almost surely, 2^3505695965 is an apocalyptic number.

It is an amenable number.

3505695965 is a deficient number, since it is larger than the sum of its proper divisors (701684443).

3505695965 is an equidigital number, since it uses as much as digits as its factorization.

3505695965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90879.

The product of its (nonzero) digits is 5467500, while the sum is 53.

The square root of 3505695965 is about 59208.9179516059. The cubic root of 3505695965 is about 1519.1176730903.

The spelling of 3505695965 in words is "three billion, five hundred five million, six hundred ninety-five thousand, nine hundred sixty-five".