10531647427 has 8 divisors (see below), whose sum is σ = 12669651200. Its totient is φ = 8552014344.

The previous prime is 10531647421. The next prime is 10531647433. The reversal of 10531647427 is 72474613501.

It is an interprime number because it is at equal distance from previous prime (10531647421) and next prime (10531647433).

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

It is a cyclic number.

It is not a de Polignac number, because 10531647427 - 2¹⁹ = 10531123139 is a prime.

It is a super-3 number, since 3×10531647427³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10531647427.

It is not an unprimeable number, because it can be changed into a prime (10531647421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39592527 + ... + 39592792.

It is an arithmetic number, because the mean of its divisors is an integer number (1583706400).

Almost surely, 2^10531647427 is an apocalyptic number.

10531647427 is a deficient number, since it is larger than the sum of its proper divisors (2138003773).

10531647427 is an equidigital number, since it uses as much as digits as its factorization.

10531647427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79185345.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 10531647427 in words is "ten billion, five hundred thirty-one million, six hundred forty-seven thousand, four hundred twenty-seven".