424256730062781 has 96 divisors (see below), whose sum is σ = 719742406166784. Its totient is φ = 217575611827200.

The previous prime is 424256730062773. The next prime is 424256730062801. The reversal of 424256730062781 is 187260037652424.

It is a happy number.

It is not a de Polignac number, because 424256730062781 - 2³ = 424256730062773 is a prime.

It is a super-3 number, since 3×424256730062781³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424256730062381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59642551 + ... + 66375803.

It is an arithmetic number, because the mean of its divisors is an integer number (7497316730904).

Almost surely, 2^{424256730062781} is an apocalyptic number.

It is an amenable number.

424256730062781 is a deficient number, since it is larger than the sum of its proper divisors (295485676104003).

424256730062781 is a wasteful number, since it uses less digits than its factorization.

424256730062781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733603 (or 6733592 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 57.

The spelling of 424256730062781 in words is "four hundred twenty-four trillion, two hundred fifty-six billion, seven hundred thirty million, sixty-two thousand, seven hundred eighty-one".