1381117693693 has 16 divisors (see below), whose sum is σ = 1404451785600. Its totient is φ = 1357893653760.

The previous prime is 1381117693691. The next prime is 1381117693729. The reversal of 1381117693693 is 3963967111831.

It is a cyclic number.

It is not a de Polignac number, because 1381117693693 - 2¹ = 1381117693691 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 (1381117693691) 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, 122509905 + ... + 122521177.

It is an arithmetic number, because the mean of its divisors is an integer number (87778236600).

Almost surely, 2^{1381117693693} is an apocalyptic number.

It is an amenable number.

1381117693693 is a deficient number, since it is larger than the sum of its proper divisors (23334091907).

1381117693693 is a wasteful number, since it uses less digits than its factorization.

1381117693693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15972.

The product of its digits is 4408992, while the sum is 58.

The spelling of 1381117693693 in words is "one trillion, three hundred eighty-one billion, one hundred seventeen million, six hundred ninety-three thousand, six hundred ninety-three".