1418530459 has 4 divisors (see below), whose sum is σ = 1419420304. Its totient is φ = 1417640616.

The previous prime is 1418530441. The next prime is 1418530537. The reversal of 1418530459 is 9540358141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9540358141 = 181 ⋅52709161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1418530459 is a prime.

It is a super-2 number, since 2×1418530459² = 4024457326221501362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1418530159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442527 + ... + 445720.

It is an arithmetic number, because the mean of its divisors is an integer number (354855076).

Almost surely, 2^1418530459 is an apocalyptic number.

1418530459 is a deficient number, since it is larger than the sum of its proper divisors (889845).

1418530459 is an equidigital number, since it uses as much as digits as its factorization.

1418530459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889844.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1418530459 is about 37663.3835309575. The cubic root of 1418530459 is about 1123.6029958867.

It can be divided in two parts, 14185 and 30459, that added together give a palindrome (44644).

The spelling of 1418530459 in words is "one billion, four hundred eighteen million, five hundred thirty thousand, four hundred fifty-nine".