382434428657 has 2 divisors, whose sum is σ = 382434428658. Its totient is φ = 382434428656.

The previous prime is 382434428611. The next prime is 382434428683. The reversal of 382434428657 is 756824434283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361247879521 + 21186549136 = 601039^2 + 145556^2 .

It is an emirp because it is prime and its reverse (756824434283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 382434428657 - 2¹⁰ = 382434427633 is a prime.

It is not a weakly prime, because it can be changed into another prime (382434418657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191217214328 + 191217214329.

It is an arithmetic number, because the mean of its divisors is an integer number (191217214329).

Almost surely, 2^382434428657 is an apocalyptic number.

It is an amenable number.

382434428657 is a deficient number, since it is larger than the sum of its proper divisors (1).

382434428657 is an equidigital number, since it uses as much as digits as its factorization.

382434428657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30965760, while the sum is 56.

The spelling of 382434428657 in words is "three hundred eighty-two billion, four hundred thirty-four million, four hundred twenty-eight thousand, six hundred fifty-seven".