427275545243 has 4 divisors (see below), whose sum is σ = 431505996288. Its totient is φ = 423045094200.

The previous prime is 427275545227. The next prime is 427275545321. The reversal of 427275545243 is 342545572724.

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

It is a cyclic number.

It is not a de Polignac number, because 427275545243 - 2⁴ = 427275545227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427275545191 and 427275545200.

It is not an unprimeable number, because it can be changed into a prime (427275505243) 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, 2115225371 + ... + 2115225572.

It is an arithmetic number, because the mean of its divisors is an integer number (107876499072).

Almost surely, 2^427275545243 is an apocalyptic number.

427275545243 is a deficient number, since it is larger than the sum of its proper divisors (4230451045).

427275545243 is a wasteful number, since it uses less digits than its factorization.

427275545243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230451044.

The product of its digits is 9408000, while the sum is 50.

The spelling of 427275545243 in words is "four hundred twenty-seven billion, two hundred seventy-five million, five hundred forty-five thousand, two hundred forty-three".