1418626465 has 4 divisors (see below), whose sum is σ = 1702351764. Its totient is φ = 1134901168.

The previous prime is 1418626457. The next prime is 1418626477. The reversal of 1418626465 is 5646268141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5646268141 = 83 ⋅68027327.

It can be written as a sum of positive squares in 2 ways, for example, as 759112704 + 659513761 = 27552^2 + 25681^2 .

It is a cyclic number.

It is not a de Polignac number, because 1418626465 - 2³ = 1418626457 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 3 ways as a sum of consecutive naturals, for example, 141862642 + ... + 141862651.

It is an arithmetic number, because the mean of its divisors is an integer number (425587941).

Almost surely, 2^1418626465 is an apocalyptic number.

It is an amenable number.

1418626465 is a deficient number, since it is larger than the sum of its proper divisors (283725299).

1418626465 is an equidigital number, since it uses as much as digits as its factorization.

1418626465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283725298.

The product of its digits is 276480, while the sum is 43.

The square root of 1418626465 is about 37664.6580364139. The cubic root of 1418626465 is about 1123.6283437611.

The spelling of 1418626465 in words is "one billion, four hundred eighteen million, six hundred twenty-six thousand, four hundred sixty-five".