3500973965 has 16 divisors (see below), whose sum is σ = 4449716208. Its totient is φ = 2635186176.

The previous prime is 3500973913. The next prime is 3500973967. The reversal of 3500973965 is 5693790053.

It can be written as a sum of positive squares in 8 ways, for example, as 33884041 + 3467089924 = 5821^2 + 58882^2 .

It is a cyclic number.

It is not a de Polignac number, because 3500973965 - 2⁸ = 3500973709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500973967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434009 + ... + 442001.

It is an arithmetic number, because the mean of its divisors is an integer number (278107263).

Almost surely, 2^3500973965 is an apocalyptic number.

It is an amenable number.

3500973965 is a deficient number, since it is larger than the sum of its proper divisors (948742243).

3500973965 is a wasteful number, since it uses less digits than its factorization.

3500973965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13168.

The product of its (nonzero) digits is 765450, while the sum is 47.

The square root of 3500973965 is about 59169.0287650558. The cubic root of 3500973965 is about 1518.4353077037.

The spelling of 3500973965 in words is "three billion, five hundred million, nine hundred seventy-three thousand, nine hundred sixty-five".