11686473783 has 6 divisors (see below), whose sum is σ = 16880462144. Its totient is φ = 7790982516.

The previous prime is 11686473781. The next prime is 11686473797. The reversal of 11686473783 is 38737468611.

11686473783 is a `hidden beast` number, since 1 + 16 + 86 + 473 + 7 + 83 = 666.

It is not a de Polignac number, because 11686473783 - 2¹ = 11686473781 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 (11686473781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 649248535 + ... + 649248552.

Almost surely, 2^11686473783 is an apocalyptic number.

11686473783 is a deficient number, since it is larger than the sum of its proper divisors (5193988361).

11686473783 is a wasteful number, since it uses less digits than its factorization.

11686473783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298497093 (or 1298497090 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 11686473783 in words is "eleven billion, six hundred eighty-six million, four hundred seventy-three thousand, seven hundred eighty-three".