1387909471696 has 20 divisors (see below), whose sum is σ = 2933535929184. Its totient is φ = 630867941600.

The previous prime is 1387909471691. The next prime is 1387909471717. The reversal of 1387909471696 is 6961749097831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387909471691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3942924460 + ... + 3942924811.

Almost surely, 2^{1387909471696} is an apocalyptic number.

1387909471696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1387909471696 is an abundant number, since it is smaller than the sum of its proper divisors (1545626457488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1387909471696 is a wasteful number, since it uses less digits than its factorization.

1387909471696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885849290 (or 7885849284 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 70.

The spelling of 1387909471696 in words is "one trillion, three hundred eighty-seven billion, nine hundred nine million, four hundred seventy-one thousand, six hundred ninety-six".