425842423205 has 8 divisors (see below), whose sum is σ = 513204089112. Its totient is φ = 339211817728.

The previous prime is 425842423189. The next prime is 425842423207. The reversal of 425842423205 is 502324248524.

It can be written as a sum of positive squares in 4 ways, for example, as 41007060004 + 384835363201 = 202502^2 + 620351^2 .

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 425842423205 - 2⁴ = 425842423189 is a prime.

It is a super-2 number, since 2×425842423205² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425842423207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182763824 + ... + 182766153.

It is an arithmetic number, because the mean of its divisors is an integer number (64150511139).

Almost surely, 2^425842423205 is an apocalyptic number.

It is an amenable number.

425842423205 is a deficient number, since it is larger than the sum of its proper divisors (87361665907).

425842423205 is a wasteful number, since it uses less digits than its factorization.

425842423205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365530215.

The product of its (nonzero) digits is 614400, while the sum is 41.

The spelling of 425842423205 in words is "four hundred twenty-five billion, eight hundred forty-two million, four hundred twenty-three thousand, two hundred five".