427650165851 has 8 divisors (see below), whose sum is σ = 428107629600. Its totient is φ = 427192921728.

The previous prime is 427650165781. The next prime is 427650165893. The reversal of 427650165851 is 158561056724.

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 427650165851 - 2³⁴ = 410470296667 is a prime.

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 427650165851.

It is not an unprimeable number, because it can be changed into a prime (427650168851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4000145 + ... + 4105661.

It is an arithmetic number, because the mean of its divisors is an integer number (53513453700).

Almost surely, 2^427650165851 is an apocalyptic number.

427650165851 is a deficient number, since it is larger than the sum of its proper divisors (457463749).

427650165851 is a wasteful number, since it uses less digits than its factorization.

427650165851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109813.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 427650165851 in words is "four hundred twenty-seven billion, six hundred fifty million, one hundred sixty-five thousand, eight hundred fifty-one".