425413404142221 has 8 divisors (see below), whose sum is σ = 618783133297824. Its totient is φ = 257826305540720.

The previous prime is 425413404142219. The next prime is 425413404142229. The reversal of 425413404142221 is 122241404314524.

It is a happy number.

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 425413404142221 - 2¹ = 425413404142219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425413404142221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425413404142229) 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, 6445657638486 + ... + 6445657638551.

It is an arithmetic number, because the mean of its divisors is an integer number (77347891662228).

Almost surely, 2^{425413404142221} is an apocalyptic number.

It is an amenable number.

425413404142221 is a deficient number, since it is larger than the sum of its proper divisors (193369729155603).

425413404142221 is a wasteful number, since it uses less digits than its factorization.

425413404142221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12891315277051.

The product of its (nonzero) digits is 245760, while the sum is 39.

Adding to 425413404142221 its reverse (122241404314524), we get a palindrome (547654808456745).

The spelling of 425413404142221 in words is "four hundred twenty-five trillion, four hundred thirteen billion, four hundred four million, one hundred forty-two thousand, two hundred twenty-one".