425666354426 has 8 divisors (see below), whose sum is σ = 638625757440. Its totient is φ = 212791101948.

The previous prime is 425666354411. The next prime is 425666354429. The reversal of 425666354426 is 624453666524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (425666354429) 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, 21024986 + ... + 21045221.

It is an arithmetic number, because the mean of its divisors is an integer number (79828219680).

Almost surely, 2^425666354426 is an apocalyptic number.

425666354426 is a deficient number, since it is larger than the sum of its proper divisors (212959403014).

425666354426 is a wasteful number, since it uses less digits than its factorization.

425666354426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42075268.

The product of its digits is 24883200, while the sum is 53.

The spelling of 425666354426 in words is "four hundred twenty-five billion, six hundred sixty-six million, three hundred fifty-four thousand, four hundred twenty-six".