1416444023653 has 4 divisors (see below), whose sum is σ = 1416449279340. Its totient is φ = 1416438767968.

The previous prime is 1416444023647. The next prime is 1416444023671. The reversal of 1416444023653 is 3563204446141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 473257315969 + 943186707684 = 687937^2 + 971178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1416444023653 - 2¹³ = 1416444015461 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 (1416444023693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200408 + ... + 2770321.

It is an arithmetic number, because the mean of its divisors is an integer number (354112319835).

Almost surely, 2^{1416444023653} is an apocalyptic number.

It is an amenable number.

1416444023653 is a deficient number, since it is larger than the sum of its proper divisors (5255687).

1416444023653 is an equidigital number, since it uses as much as digits as its factorization.

1416444023653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255686.

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 1416444023653 its reverse (3563204446141), we get a palindrome (4979648469794).

The spelling of 1416444023653 in words is "one trillion, four hundred sixteen billion, four hundred forty-four million, twenty-three thousand, six hundred fifty-three".