424638121379 has 2 divisors, whose sum is σ = 424638121380. Its totient is φ = 424638121378.

The previous prime is 424638121351. The next prime is 424638121417. The reversal of 424638121379 is 973121836424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424638121379 - 2⁸ = 424638121123 is a prime.

It is not a weakly prime, because it can be changed into another prime (424638121319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212319060689 + 212319060690.

It is an arithmetic number, because the mean of its divisors is an integer number (212319060690).

Almost surely, 2^424638121379 is an apocalyptic number.

424638121379 is a deficient number, since it is larger than the sum of its proper divisors (1).

424638121379 is an equidigital number, since it uses as much as digits as its factorization.

424638121379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 50.

The spelling of 424638121379 in words is "four hundred twenty-four billion, six hundred thirty-eight million, one hundred twenty-one thousand, three hundred seventy-nine".