275428967613 has 4 divisors (see below), whose sum is σ = 367238623488. Its totient is φ = 183619311740.

The previous prime is 275428967573. The next prime is 275428967623. The reversal of 275428967613 is 316769824572.

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 a cyclic number.

It is not a de Polignac number, because 275428967613 - 2²⁰ = 275427919037 is a prime.

It is a super-2 number, since 2×275428967613² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275428967623) 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, 45904827933 + ... + 45904827938.

It is an arithmetic number, because the mean of its divisors is an integer number (91809655872).

Almost surely, 2^275428967613 is an apocalyptic number.

It is an amenable number.

275428967613 is a deficient number, since it is larger than the sum of its proper divisors (91809655875).

275428967613 is an equidigital number, since it uses as much as digits as its factorization.

275428967613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91809655874.

The product of its digits is 30481920, while the sum is 60.

The spelling of 275428967613 in words is "two hundred seventy-five billion, four hundred twenty-eight million, nine hundred sixty-seven thousand, six hundred thirteen".