427101397851 has 16 divisors (see below), whose sum is σ = 587631450368. Its totient is φ = 275725749600.

The previous prime is 427101397823. The next prime is 427101397867. The reversal of 427101397851 is 158793101724.

427101397851 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 427101397851 - 2¹¹ = 427101395803 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 427101397851.

It is not an unprimeable number, because it can be changed into a prime (427101397871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9094495 + ... + 9141336.

It is an arithmetic number, because the mean of its divisors is an integer number (36726965648).

Almost surely, 2^427101397851 is an apocalyptic number.

427101397851 is a deficient number, since it is larger than the sum of its proper divisors (160530052517).

427101397851 is a wasteful number, since it uses less digits than its factorization.

427101397851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18236082.

The product of its (nonzero) digits is 423360, while the sum is 48.

The spelling of 427101397851 in words is "four hundred twenty-seven billion, one hundred one million, three hundred ninety-seven thousand, eight hundred fifty-one".