3421017965 has 16 divisors (see below), whose sum is σ = 4257941040. Its totient is φ = 2636467200.

The previous prime is 3421017961. The next prime is 3421017979. The reversal of 3421017965 is 5697101243.

It can be written as a sum of positive squares in 8 ways, for example, as 303247396 + 3117770569 = 17414^2 + 55837^2 .

It is not a de Polignac number, because 3421017965 - 2² = 3421017961 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421017961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72860 + ... + 110229.

It is an arithmetic number, because the mean of its divisors is an integer number (266121315).

Almost surely, 2^3421017965 is an apocalyptic number.

It is an amenable number.

3421017965 is a deficient number, since it is larger than the sum of its proper divisors (836923075).

3421017965 is a wasteful number, since it uses less digits than its factorization.

3421017965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183232.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 3421017965 is about 58489.4688384157. The cubic root of 3421017965 is about 1506.7867235748.

The spelling of 3421017965 in words is "three billion, four hundred twenty-one million, seventeen thousand, nine hundred sixty-five".