3214563665 has 8 divisors (see below), whose sum is σ = 3920714088. Its totient is φ = 2529492480.

The previous prime is 3214563661. The next prime is 3214563701. The reversal of 3214563665 is 5663654123.

It can be written as a sum of positive squares in 4 ways, for example, as 133425601 + 3081138064 = 11551^2 + 55508^2 .

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

It is not a de Polignac number, because 3214563665 - 2² = 3214563661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3214563661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5269472 + ... + 5270081.

It is an arithmetic number, because the mean of its divisors is an integer number (490089261).

Almost surely, 2^3214563665 is an apocalyptic number.

It is an amenable number.

3214563665 is a deficient number, since it is larger than the sum of its proper divisors (706150423).

3214563665 is a wasteful number, since it uses less digits than its factorization.

3214563665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539619.

The product of its digits is 388800, while the sum is 41.

The square root of 3214563665 is about 56697.1221932824. The cubic root of 3214563665 is about 1475.8447582716.

The spelling of 3214563665 in words is "three billion, two hundred fourteen million, five hundred sixty-three thousand, six hundred sixty-five".