1388633022346 has 16 divisors (see below), whose sum is σ = 2133992955528. Its totient is φ = 677305843200.

The previous prime is 1388633022319. The next prime is 1388633022353. The reversal of 1388633022346 is 6432203368831.

It can be written as a sum of positive squares in 4 ways, for example, as 469889685225 + 918743337121 = 685485^2 + 958511^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1388633022346.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213855 + ... + 1680178.

Almost surely, 2^{1388633022346} is an apocalyptic number.

1388633022346 is a deficient number, since it is larger than the sum of its proper divisors (745359933182).

1388633022346 is a wasteful number, since it uses less digits than its factorization.

1388633022346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903017.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 1388633022346 in words is "one trillion, three hundred eighty-eight billion, six hundred thirty-three million, twenty-two thousand, three hundred forty-six".