3283561965 has 16 divisors (see below), whose sum is σ = 5302801728. Its totient is φ = 1734865536.

The previous prime is 3283561961. The next prime is 3283561991. The reversal of 3283561965 is 5691653823.

It is not a de Polignac number, because 3283561965 - 2² = 3283561961 is a prime.

It is a super-2 number, since 2×3283561965² = 21563558355989322450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3283561961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021312 + ... + 1024521.

It is an arithmetic number, because the mean of its divisors is an integer number (331425108).

Almost surely, 2^3283561965 is an apocalyptic number.

It is an amenable number.

3283561965 is a deficient number, since it is larger than the sum of its proper divisors (2019239763).

3283561965 is a wasteful number, since it uses less digits than its factorization.

3283561965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045948.

The product of its digits is 1166400, while the sum is 48.

The square root of 3283561965 is about 57302.3731183971. The cubic root of 3283561965 is about 1486.3294129708.

The spelling of 3283561965 in words is "three billion, two hundred eighty-three million, five hundred sixty-one thousand, nine hundred sixty-five".