1381992333346 has 16 divisors (see below), whose sum is σ = 2080182958776. Its totient is φ = 688600071936.

The previous prime is 1381992333311. The next prime is 1381992333377. The reversal of 1381992333346 is 6433332991831.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 167599353321 + 1214392980025 = 409389^2 + 1101995^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832600 + ... + 1859356.

Almost surely, 2^{1381992333346} is an apocalyptic number.

1381992333346 is a deficient number, since it is larger than the sum of its proper divisors (698190625430).

1381992333346 is a wasteful number, since it uses less digits than its factorization.

1381992333346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029093.

The product of its digits is 7558272, while the sum is 55.

The spelling of 1381992333346 in words is "one trillion, three hundred eighty-one billion, nine hundred ninety-two million, three hundred thirty-three thousand, three hundred forty-six".