380636605682 has 4 divisors (see below), whose sum is σ = 570954908526. Its totient is φ = 190318302840.

The previous prime is 380636605637. The next prime is 380636605709. The reversal of 380636605682 is 286506636083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 286506636083 = 67 ⋅4276218449.

It can be written as a sum of positive squares in only one way, i.e., 263857896241 + 116778709441 = 513671^2 + 341729^2 .

It is a super-2 number, since 2×380636605682² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95159151419 + ... + 95159151422.

Almost surely, 2^380636605682 is an apocalyptic number.

380636605682 is a deficient number, since it is larger than the sum of its proper divisors (190318302844).

380636605682 is a wasteful number, since it uses less digits than its factorization.

380636605682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190318302843.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 380636605682 in words is "three hundred eighty billion, six hundred thirty-six million, six hundred five thousand, six hundred eighty-two".