5645210465 has 8 divisors (see below), whose sum is σ = 6902068968. Its totient is φ = 4430957440.

The previous prime is 5645210449. The next prime is 5645210489. The reversal of 5645210465 is 5640125465.

It can be written as a sum of positive squares in 4 ways, for example, as 1075315264 + 4569895201 = 32792^2 + 67601^2 .

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

It is not a de Polignac number, because 5645210465 - 2⁴ = 5645210449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10651076 + ... + 10651605.

It is an arithmetic number, because the mean of its divisors is an integer number (862758621).

Almost surely, 2^5645210465 is an apocalyptic number.

It is an amenable number.

5645210465 is a deficient number, since it is larger than the sum of its proper divisors (1256858503).

5645210465 is a wasteful number, since it uses less digits than its factorization.

5645210465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21302739.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 5645210465 is about 75134.6156242248. The cubic root of 5645210465 is about 1780.5740757632.

The spelling of 5645210465 in words is "five billion, six hundred forty-five million, two hundred ten thousand, four hundred sixty-five".