1240424223419 has 2 divisors, whose sum is σ = 1240424223420. Its totient is φ = 1240424223418.

The previous prime is 1240424223383. The next prime is 1240424223431. The reversal of 1240424223419 is 9143224240421.

It is a strong prime.

It is an emirp because it is prime and its reverse (9143224240421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240424223419 - 2⁸ = 1240424223163 is a prime.

It is a super-2 number, since 2×1240424223419² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1240424223319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620212111709 + 620212111710.

It is an arithmetic number, because the mean of its divisors is an integer number (620212111710).

Almost surely, 2^{1240424223419} is an apocalyptic number.

1240424223419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240424223419 is an equidigital number, since it uses as much as digits as its factorization.

1240424223419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 1240424223419 in words is "one trillion, two hundred forty billion, four hundred twenty-four million, two hundred twenty-three thousand, four hundred nineteen".