1388832351845 has 16 divisors (see below), whose sum is σ = 1670059036800. Its totient is φ = 1108759464384.

The previous prime is 1388832351791. The next prime is 1388832351857. The reversal of 1388832351845 is 5481532388831.

It is a cyclic number.

It is not a de Polignac number, because 1388832351845 - 2⁸ = 1388832351589 is a prime.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 45629522 + ... + 45659948.

It is an arithmetic number, because the mean of its divisors is an integer number (104378689800).

Almost surely, 2^{1388832351845} is an apocalyptic number.

It is an amenable number.

1388832351845 is a deficient number, since it is larger than the sum of its proper divisors (281226684955).

1388832351845 is a wasteful number, since it uses less digits than its factorization.

1388832351845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49084.

The product of its digits is 22118400, while the sum is 59.

The spelling of 1388832351845 in words is "one trillion, three hundred eighty-eight billion, eight hundred thirty-two million, three hundred fifty-one thousand, eight hundred forty-five".