385082884429 has 2 divisors, whose sum is σ = 385082884430. Its totient is φ = 385082884428.

The previous prime is 385082884339. The next prime is 385082884447. The reversal of 385082884429 is 924488280583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384933384900 + 149499529 = 620430^2 + 12227^2 .

It is a cyclic number.

It is not a de Polignac number, because 385082884429 - 2¹¹ = 385082882381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385082884489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192541442214 + 192541442215.

It is an arithmetic number, because the mean of its divisors is an integer number (192541442215).

Almost surely, 2^385082884429 is an apocalyptic number.

It is an amenable number.

385082884429 is a deficient number, since it is larger than the sum of its proper divisors (1).

385082884429 is an equidigital number, since it uses as much as digits as its factorization.

385082884429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 385082884429 in words is "three hundred eighty-five billion, eighty-two million, eight hundred eighty-four thousand, four hundred twenty-nine".