271442939661 has 12 divisors (see below), whose sum is σ = 392216611488. Its totient is φ = 180900868104.

The previous prime is 271442939627. The next prime is 271442939687. The reversal of 271442939661 is 166939244172.

271442939661 is a `hidden beast` number, since 2 + 71 + 4 + 429 + 3 + 96 + 61 = 666.

It is not a de Polignac number, because 271442939661 - 2⁷ = 271442939533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 271442939598 and 271442939607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271442939611) 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, 5062825 + ... + 5116158.

It is an arithmetic number, because the mean of its divisors is an integer number (32684717624).

Almost surely, 2^271442939661 is an apocalyptic number.

It is an amenable number.

271442939661 is a deficient number, since it is larger than the sum of its proper divisors (120773671827).

271442939661 is a wasteful number, since it uses less digits than its factorization.

271442939661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181952 (or 10181949 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 271442939661 in words is "two hundred seventy-one billion, four hundred forty-two million, nine hundred thirty-nine thousand, six hundred sixty-one".