424120031389 has 2 divisors, whose sum is σ = 424120031390. Its totient is φ = 424120031388.

The previous prime is 424120031383. The next prime is 424120031443. The reversal of 424120031389 is 983130021424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221379660100 + 202740371289 = 470510^2 + 450267^2 .

It is a cyclic number.

It is not a de Polignac number, because 424120031389 - 2³ = 424120031381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424120031381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212060015694 + 212060015695.

It is an arithmetic number, because the mean of its divisors is an integer number (212060015695).

Almost surely, 2^424120031389 is an apocalyptic number.

It is an amenable number.

424120031389 is a deficient number, since it is larger than the sum of its proper divisors (1).

424120031389 is an equidigital number, since it uses as much as digits as its factorization.

424120031389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 424120031389 in words is "four hundred twenty-four billion, one hundred twenty million, thirty-one thousand, three hundred eighty-nine".