6213132786181 has 16 divisors (see below), whose sum is σ = 6416804782080. Its totient is φ = 6013473888240.

The previous prime is 6213132786169. The next prime is 6213132786227. The reversal of 6213132786181 is 1816872313126.

It is a cyclic number.

It is not a de Polignac number, because 6213132786181 - 2³⁹ = 5663376972293 is a prime.

It is a super-2 number, since 2×6213132786181² (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 (6213132786101) 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, 2183271 + ... + 4146436.

It is an arithmetic number, because the mean of its divisors is an integer number (401050298880).

Almost surely, 2^{6213132786181} is an apocalyptic number.

It is an amenable number.

6213132786181 is a deficient number, since it is larger than the sum of its proper divisors (203671995899).

6213132786181 is a wasteful number, since it uses less digits than its factorization.

6213132786181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330024.

The product of its digits is 580608, while the sum is 49.

The spelling of 6213132786181 in words is "six trillion, two hundred thirteen billion, one hundred thirty-two million, seven hundred eighty-six thousand, one hundred eighty-one".