4200646465 has 4 divisors (see below), whose sum is σ = 5040775764. Its totient is φ = 3360517168.

The previous prime is 4200646441. The next prime is 4200646481. The reversal of 4200646465 is 5646460024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2936772864 + 1263873601 = 54192^2 + 35551^2 .

It is a cyclic number.

It is not a de Polignac number, because 4200646465 - 2²³ = 4192257857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420064642 + ... + 420064651.

It is an arithmetic number, because the mean of its divisors is an integer number (1260193941).

Almost surely, 2^4200646465 is an apocalyptic number.

It is an amenable number.

4200646465 is a deficient number, since it is larger than the sum of its proper divisors (840129299).

4200646465 is an equidigital number, since it uses as much as digits as its factorization.

4200646465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840129298.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 4200646465 is about 64812.3943779274. The cubic root of 4200646465 is about 1613.5114215515.

The spelling of 4200646465 in words is "four billion, two hundred million, six hundred forty-six thousand, four hundred sixty-five".