424775401217 has 4 divisors (see below), whose sum is σ = 424795176960. Its totient is φ = 424755625476.

The previous prime is 424775401097. The next prime is 424775401223. The reversal of 424775401217 is 712104577424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424775401217 - 2¹⁴ = 424775384833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424775401247) 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, 9855617 + ... + 9898622.

It is an arithmetic number, because the mean of its divisors is an integer number (106198794240).

Almost surely, 2^424775401217 is an apocalyptic number.

It is an amenable number.

424775401217 is a deficient number, since it is larger than the sum of its proper divisors (19775743).

424775401217 is a wasteful number, since it uses less digits than its factorization.

424775401217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19775742.

The product of its (nonzero) digits is 439040, while the sum is 44.

The spelling of 424775401217 in words is "four hundred twenty-four billion, seven hundred seventy-five million, four hundred one thousand, two hundred seventeen".