271680242709 has 4 divisors (see below), whose sum is σ = 362240323616. Its totient is φ = 181120161804.

The previous prime is 271680242651. The next prime is 271680242711. The reversal of 271680242709 is 907242086172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 271680242709 - 2⁸ = 271680242453 is a prime.

It is a super-2 number, since 2×271680242709² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271680242809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45280040449 + ... + 45280040454.

It is an arithmetic number, because the mean of its divisors is an integer number (90560080904).

Almost surely, 2^271680242709 is an apocalyptic number.

It is an amenable number.

271680242709 is a deficient number, since it is larger than the sum of its proper divisors (90560080907).

271680242709 is an equidigital number, since it uses as much as digits as its factorization.

271680242709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90560080906.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 271680242709 in words is "two hundred seventy-one billion, six hundred eighty million, two hundred forty-two thousand, seven hundred nine".