271320764321 has 4 divisors (see below), whose sum is σ = 271416538692. Its totient is φ = 271224989952.

The previous prime is 271320764251. The next prime is 271320764329. The reversal of 271320764321 is 123467023172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98697133921 + 172623630400 = 314161^2 + 415480^2 .

It is a cyclic number.

It is not a de Polignac number, because 271320764321 - 2¹⁸ = 271320502177 is a prime.

It is a super-2 number, since 2×271320764321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271320764329) 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, 47882936 + ... + 47888601.

It is an arithmetic number, because the mean of its divisors is an integer number (67854134673).

Almost surely, 2^271320764321 is an apocalyptic number.

It is an amenable number.

271320764321 is a deficient number, since it is larger than the sum of its proper divisors (95774371).

271320764321 is an equidigital number, since it uses as much as digits as its factorization.

271320764321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95774370.

The product of its (nonzero) digits is 84672, while the sum is 38.

Adding to 271320764321 its reverse (123467023172), we get a palindrome (394787787493).

The spelling of 271320764321 in words is "two hundred seventy-one billion, three hundred twenty million, seven hundred sixty-four thousand, three hundred twenty-one".