1416220453 has 4 divisors (see below), whose sum is σ = 1417212940. Its totient is φ = 1415227968.

The previous prime is 1416220441. The next prime is 1416220459. The reversal of 1416220453 is 3540226141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3540226141 = 83 ⋅42653327.

It can be written as a sum of positive squares in 2 ways, for example, as 678446209 + 737774244 = 26047^2 + 27162^2 .

It is a cyclic number.

It is not a de Polignac number, because 1416220453 - 2⁹ = 1416219941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416220459) 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, 494100 + ... + 496957.

It is an arithmetic number, because the mean of its divisors is an integer number (354303235).

Almost surely, 2^1416220453 is an apocalyptic number.

It is an amenable number.

1416220453 is a deficient number, since it is larger than the sum of its proper divisors (992487).

1416220453 is an equidigital number, since it uses as much as digits as its factorization.

1416220453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992486.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1416220453 is about 37632.7045666399. The cubic root of 1416220453 is about 1122.9927540648.

Adding to 1416220453 its reverse (3540226141), we get a palindrome (4956446594).

The spelling of 1416220453 in words is "one billion, four hundred sixteen million, two hundred twenty thousand, four hundred fifty-three".