1224402994433 has 2 divisors, whose sum is σ = 1224402994434. Its totient is φ = 1224402994432.

The previous prime is 1224402994417. The next prime is 1224402994447. The reversal of 1224402994433 is 3344992044221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1029478095424 + 194924899009 = 1014632^2 + 441503^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224402994433 - 2⁴ = 1224402994417 is a prime.

It is a super-3 number, since 3×1224402994433³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1224402994403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612201497216 + 612201497217.

It is an arithmetic number, because the mean of its divisors is an integer number (612201497217).

Almost surely, 2^{1224402994433} is an apocalyptic number.

It is an amenable number.

1224402994433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224402994433 is an equidigital number, since it uses as much as digits as its factorization.

1224402994433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 1224402994433 in words is "one trillion, two hundred twenty-four billion, four hundred two million, nine hundred ninety-four thousand, four hundred thirty-three".