1388885325938 has 16 divisors (see below), whose sum is σ = 2272762644480. Its totient is φ = 631300066800.

The previous prime is 1388885325907. The next prime is 1388885325943. The reversal of 1388885325938 is 8395235888831.

It is a super-3 number, since 3×1388885325938³ (a number of 37 digits) contains 333 as substring.

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, 735248 + ... + 1821636.

It is an arithmetic number, because the mean of its divisors is an integer number (142047665280).

Almost surely, 2^{1388885325938} is an apocalyptic number.

1388885325938 is a deficient number, since it is larger than the sum of its proper divisors (883877318542).

1388885325938 is a wasteful number, since it uses less digits than its factorization.

1388885325938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144513.

The product of its digits is 398131200, while the sum is 71.

The spelling of 1388885325938 in words is "one trillion, three hundred eighty-eight billion, eight hundred eighty-five million, three hundred twenty-five thousand, nine hundred thirty-eight".