1388604335797 has 16 divisors (see below), whose sum is σ = 1594191456000. Its totient is φ = 1184824892160.

The previous prime is 1388604335743. The next prime is 1388604335821. The reversal of 1388604335797 is 7975334068831.

It is not a de Polignac number, because 1388604335797 - 2³⁵ = 1354244597429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388604335297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4138704 + ... + 4461622.

It is an arithmetic number, because the mean of its divisors is an integer number (99636966000).

Almost surely, 2^{1388604335797} is an apocalyptic number.

It is an amenable number.

1388604335797 is a deficient number, since it is larger than the sum of its proper divisors (205587120203).

1388604335797 is a wasteful number, since it uses less digits than its factorization.

1388604335797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325716.

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 1388604335797 in words is "one trillion, three hundred eighty-eight billion, six hundred four million, three hundred thirty-five thousand, seven hundred ninety-seven".