275275427213 has 16 divisors (see below), whose sum is σ = 296837939520. Its totient is φ = 254322297600.

The previous prime is 275275427191. The next prime is 275275427233. The reversal of 275275427213 is 312724572572.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 275275427213 - 2¹² = 275275423117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275275427233) 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, 494483 + ... + 891663.

It is an arithmetic number, because the mean of its divisors is an integer number (18552371220).

Almost surely, 2^275275427213 is an apocalyptic number.

It is an amenable number.

275275427213 is a deficient number, since it is larger than the sum of its proper divisors (21562512307).

275275427213 is a wasteful number, since it uses less digits than its factorization.

275275427213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397948.

The product of its digits is 1646400, while the sum is 47.

Adding to 275275427213 its reverse (312724572572), we get a palindrome (587999999785).

The spelling of 275275427213 in words is "two hundred seventy-five billion, two hundred seventy-five million, four hundred twenty-seven thousand, two hundred thirteen".