427275545245 has 8 divisors (see below), whose sum is σ = 512734655160. Its totient is φ = 341817768960.

The previous prime is 427275545227. The next prime is 427275545321. The reversal of 427275545245 is 542545572724.

It can be written as a sum of positive squares in 4 ways, for example, as 237128093764 + 190147451481 = 486958^2 + 436059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-427275545245 is a prime.

It is a super-2 number, since 2×427275545245² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 427275545192 and 427275545201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618541 + ... + 1112269.

It is an arithmetic number, because the mean of its divisors is an integer number (64091831895).

Almost surely, 2^427275545245 is an apocalyptic number.

It is an amenable number.

427275545245 is a deficient number, since it is larger than the sum of its proper divisors (85459109915).

427275545245 is a wasteful number, since it uses less digits than its factorization.

427275545245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666815.

The product of its digits is 15680000, while the sum is 52.

The spelling of 427275545245 in words is "four hundred twenty-seven billion, two hundred seventy-five million, five hundred forty-five thousand, two hundred forty-five".