206140405419 has 12 divisors (see below), whose sum is σ = 320662853056. Its totient is φ = 126855634032.

The previous prime is 206140405403. The next prime is 206140405439. The reversal of 206140405419 is 914504041602.

206140405419 is a `hidden beast` number, since 20 + 614 + 0 + 4 + 0 + 5 + 4 + 19 = 666.

It is not a de Polignac number, because 206140405419 - 2⁴ = 206140405403 is a prime.

It is a super-2 number, since 2×206140405419² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206140405439) 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, 880941787 + ... + 880942020.

Almost surely, 2^206140405419 is an apocalyptic number.

206140405419 is a deficient number, since it is larger than the sum of its proper divisors (114522447637).

206140405419 is a wasteful number, since it uses less digits than its factorization.

206140405419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761883826 (or 1761883823 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 206140405419 in words is "two hundred six billion, one hundred forty million, four hundred five thousand, four hundred nineteen".