424324212989 has 2 divisors, whose sum is σ = 424324212990. Its totient is φ = 424324212988.

The previous prime is 424324212943. The next prime is 424324213039. The reversal of 424324212989 is 989212423424.

It is an a-pointer prime, because the next prime (424324213039) can be obtained adding 424324212989 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315796793764 + 108527419225 = 561958^2 + 329435^2 .

It is a cyclic number.

It is not a de Polignac number, because 424324212989 - 2²⁸ = 424055777533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424324212089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212162106494 + 212162106495.

It is an arithmetic number, because the mean of its divisors is an integer number (212162106495).

Almost surely, 2^424324212989 is an apocalyptic number.

It is an amenable number.

424324212989 is a deficient number, since it is larger than the sum of its proper divisors (1).

424324212989 is an equidigital number, since it uses as much as digits as its factorization.

424324212989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 50.

The spelling of 424324212989 in words is "four hundred twenty-four billion, three hundred twenty-four million, two hundred twelve thousand, nine hundred eighty-nine".