1418759449 has 4 divisors (see below), whose sum is σ = 1453363380. Its totient is φ = 1384155520.

The previous prime is 1418759443. The next prime is 1418759477. The reversal of 1418759449 is 9449578141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9449578141 = 5783 ⋅1634027.

It can be written as a sum of positive squares in 2 ways, for example, as 585398025 + 833361424 = 24195^2 + 28868^2 .

It is a cyclic number.

It is not a de Polignac number, because 1418759449 - 2¹⁵ = 1418726681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1418759396 and 1418759405.

It is not an unprimeable number, because it can be changed into a prime (1418759443) 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, 17301904 + ... + 17301985.

It is an arithmetic number, because the mean of its divisors is an integer number (363340845).

Almost surely, 2^1418759449 is an apocalyptic number.

It is an amenable number.

1418759449 is a deficient number, since it is larger than the sum of its proper divisors (34603931).

1418759449 is an equidigital number, since it uses as much as digits as its factorization.

1418759449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34603930.

The product of its digits is 1451520, while the sum is 52.

The square root of 1418759449 is about 37666.4233635210. The cubic root of 1418759449 is about 1123.6634528206.

The spelling of 1418759449 in words is "one billion, four hundred eighteen million, seven hundred fifty-nine thousand, four hundred forty-nine".