1418425717 has 4 divisors (see below), whose sum is σ = 1438403616. Its totient is φ = 1398447820.

The previous prime is 1418425703. The next prime is 1418425727. The reversal of 1418425717 is 7175248141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7175248141 = 19 ⋅377644639.

It is a cyclic number.

It is not a de Polignac number, because 1418425717 - 2²⁷ = 1284207989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1418425717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418425727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9988843 + ... + 9988984.

It is an arithmetic number, because the mean of its divisors is an integer number (359600904).

Almost surely, 2^1418425717 is an apocalyptic number.

It is an amenable number.

1418425717 is a deficient number, since it is larger than the sum of its proper divisors (19977899).

1418425717 is an equidigital number, since it uses as much as digits as its factorization.

1418425717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19977898.

The product of its digits is 62720, while the sum is 40.

The square root of 1418425717 is about 37661.9930035573. The cubic root of 1418425717 is about 1123.5753401953.

The spelling of 1418425717 in words is "one billion, four hundred eighteen million, four hundred twenty-five thousand, seven hundred seventeen".