1381831620922 has 8 divisors (see below), whose sum is σ = 2081798730900. Its totient is φ = 687898710624.

The previous prime is 1381831620899. The next prime is 1381831620977. The reversal of 1381831620922 is 2290261381831.

It can be written as a sum of positive squares in 2 ways, for example, as 1363894643881 + 17936977041 = 1167859^2 + 133929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508549347 + ... + 1508550262.

Almost surely, 2^{1381831620922} is an apocalyptic number.

1381831620922 is a deficient number, since it is larger than the sum of its proper divisors (699967109978).

1381831620922 is a wasteful number, since it uses less digits than its factorization.

1381831620922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017099840.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 1381831620922 in words is "one trillion, three hundred eighty-one billion, eight hundred thirty-one million, six hundred twenty thousand, nine hundred twenty-two".