382681927429 has 4 divisors (see below), whose sum is σ = 383519306284. Its totient is φ = 381844548576.

The previous prime is 382681927351. The next prime is 382681927447. The reversal of 382681927429 is 924729186283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 209773160100 + 172908767329 = 458010^2 + 415823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-382681927429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382681927129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418688742 + ... + 418689655.

It is an arithmetic number, because the mean of its divisors is an integer number (95879826571).

Almost surely, 2^382681927429 is an apocalyptic number.

It is an amenable number.

382681927429 is a deficient number, since it is larger than the sum of its proper divisors (837378855).

382681927429 is an equidigital number, since it uses as much as digits as its factorization.

382681927429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837378854.

The product of its digits is 20901888, while the sum is 61.

The spelling of 382681927429 in words is "three hundred eighty-two billion, six hundred eighty-one million, nine hundred twenty-seven thousand, four hundred twenty-nine".