427035286381 has 4 divisors (see below), whose sum is σ = 465856676064. Its totient is φ = 388213896700.

The previous prime is 427035286351. The next prime is 427035286417. The reversal of 427035286381 is 183682530724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427035286381 - 2⁹ = 427035285869 is a prime.

It is a super-3 number, since 3×427035286381³ (a number of 36 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (427035286351) 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, 19410694825 + ... + 19410694846.

It is an arithmetic number, because the mean of its divisors is an integer number (116464169016).

Almost surely, 2^427035286381 is an apocalyptic number.

It is an amenable number.

427035286381 is a deficient number, since it is larger than the sum of its proper divisors (38821389683).

427035286381 is a wasteful number, since it uses less digits than its factorization.

427035286381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38821389682.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 427035286381 in words is "four hundred twenty-seven billion, thirty-five million, two hundred eighty-six thousand, three hundred eighty-one".