3683945465 has 8 divisors (see below), whose sum is σ = 4504144968. Its totient is φ = 2891549440.

The previous prime is 3683945437. The next prime is 3683945501. The reversal of 3683945465 is 5645493863.

It can be written as a sum of positive squares in 4 ways, for example, as 1700490169 + 1983455296 = 41237^2 + 44536^2 .

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

It is not a de Polignac number, because 3683945465 - 2⁶ = 3683945401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6950576 + ... + 6951105.

It is an arithmetic number, because the mean of its divisors is an integer number (563018121).

Almost surely, 2^3683945465 is an apocalyptic number.

It is an amenable number.

3683945465 is a deficient number, since it is larger than the sum of its proper divisors (820199503).

3683945465 is a wasteful number, since it uses less digits than its factorization.

3683945465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13901739.

The product of its digits is 9331200, while the sum is 53.

The square root of 3683945465 is about 60695.5143729749. The cubic root of 3683945465 is about 1544.4400822595.

The spelling of 3683945465 in words is "three billion, six hundred eighty-three million, nine hundred forty-five thousand, four hundred sixty-five".