5618206477431 has 12 divisors (see below), whose sum is σ = 8217911022880. Its totient is φ = 3698059959360.

The previous prime is 5618206477423. The next prime is 5618206477441. The reversal of 5618206477431 is 1347746028165.

5618206477431 is a `hidden beast` number, since 5 + 6 + 1 + 82 + 0 + 64 + 77 + 431 = 666.

It is not a de Polignac number, because 5618206477431 - 2³ = 5618206477423 is a prime.

It is a super-2 number, since 2×5618206477431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618206477441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3950918050 + ... + 3950919471.

Almost surely, 2^{5618206477431} is an apocalyptic number.

5618206477431 is a deficient number, since it is larger than the sum of its proper divisors (2599704545449).

5618206477431 is a wasteful number, since it uses less digits than its factorization.

5618206477431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901837606 (or 7901837603 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 5618206477431 in words is "five trillion, six hundred eighteen billion, two hundred six million, four hundred seventy-seven thousand, four hundred thirty-one".