424628192789 has 2 divisors, whose sum is σ = 424628192790. Its totient is φ = 424628192788.

The previous prime is 424628192783. The next prime is 424628192801. The reversal of 424628192789 is 987291826424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414253140625 + 10375052164 = 643625^2 + 101858^2 .

It is a cyclic number.

It is not a de Polignac number, because 424628192789 - 2⁴ = 424628192773 is a prime.

It is a super-2 number, since 2×424628192789² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424628192783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212314096394 + 212314096395.

It is an arithmetic number, because the mean of its divisors is an integer number (212314096395).

Almost surely, 2^424628192789 is an apocalyptic number.

It is an amenable number.

424628192789 is a deficient number, since it is larger than the sum of its proper divisors (1).

424628192789 is an equidigital number, since it uses as much as digits as its factorization.

424628192789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27869184, while the sum is 62.

The spelling of 424628192789 in words is "four hundred twenty-four billion, six hundred twenty-eight million, one hundred ninety-two thousand, seven hundred eighty-nine".