1814628065 has 8 divisors (see below), whose sum is σ = 2178710568. Its totient is φ = 1450931200.

The previous prime is 1814628047. The next prime is 1814628077. The reversal of 1814628065 is 5608264181.

It can be written as a sum of positive squares in 4 ways, for example, as 208849 + 1814419216 = 457^2 + 42596^2 .

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

It is not a de Polignac number, because 1814628065 - 2²⁰ = 1813579489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85952 + ... + 104961.

It is an arithmetic number, because the mean of its divisors is an integer number (272338821).

Almost surely, 2^1814628065 is an apocalyptic number.

It is an amenable number.

1814628065 is a deficient number, since it is larger than the sum of its proper divisors (364082503).

1814628065 is a wasteful number, since it uses less digits than its factorization.

1814628065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192819.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 1814628065 is about 42598.4514389901. The cubic root of 1814628065 is about 1219.7267293073.

The spelling of 1814628065 in words is "one billion, eight hundred fourteen million, six hundred twenty-eight thousand, sixty-five".