5586421981491 has 20 divisors (see below), whose sum is σ = 8987083417312. Its totient is φ = 3437798141808.

The previous prime is 5586421981433. The next prime is 5586421981549. The reversal of 5586421981491 is 1941891246855.

5586421981491 is a `hidden beast` number, since 5 + 5 + 8 + 64 + 2 + 1 + 9 + 81 + 491 = 666.

It is an interprime number because it is at equal distance from previous prime (5586421981433) and next prime (5586421981549).

It is not a de Polignac number, because 5586421981491 - 2²⁶ = 5586354872627 is a prime.

It is a super-2 number, since 2×5586421981491² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5586421981691) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2652620971 + ... + 2652623076.

Almost surely, 2^{5586421981491} is an apocalyptic number.

5586421981491 is a deficient number, since it is larger than the sum of its proper divisors (3400661435821).

5586421981491 is a wasteful number, since it uses less digits than its factorization.

5586421981491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305244072 (or 5305244063 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 63.

The spelling of 5586421981491 in words is "five trillion, five hundred eighty-six billion, four hundred twenty-one million, nine hundred eighty-one thousand, four hundred ninety-one".