427420342063 has 64 divisors (see below), whose sum is σ = 534935116800. Its totient is φ = 335719157760.

The previous prime is 427420342061. The next prime is 427420342079. The reversal of 427420342063 is 360243024724.

It is a cyclic number.

It is not a de Polignac number, because 427420342063 - 2¹ = 427420342061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427420342061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221116645 + ... + 221118577.

It is an arithmetic number, because the mean of its divisors is an integer number (8358361200).

Almost surely, 2^427420342063 is an apocalyptic number.

427420342063 is a deficient number, since it is larger than the sum of its proper divisors (107514774737).

427420342063 is a wasteful number, since it uses less digits than its factorization.

427420342063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912.

The product of its (nonzero) digits is 193536, while the sum is 37.

Adding to 427420342063 its reverse (360243024724), we get a palindrome (787663366787).

The spelling of 427420342063 in words is "four hundred twenty-seven billion, four hundred twenty million, three hundred forty-two thousand, sixty-three".