425189412809 has 16 divisors (see below), whose sum is σ = 497295786240. Its totient is φ = 356018483520.

The previous prime is 425189412799. The next prime is 425189412829. The reversal of 425189412809 is 908214981524.

It is not a de Polignac number, because 425189412809 - 2⁸ = 425189412553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425189412829) 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 15 ways as a sum of consecutive naturals, for example, 3870194 + ... + 3978539.

It is an arithmetic number, because the mean of its divisors is an integer number (31080986640).

Almost surely, 2^425189412809 is an apocalyptic number.

It is an amenable number.

425189412809 is a deficient number, since it is larger than the sum of its proper divisors (72106373431).

425189412809 is a wasteful number, since it uses less digits than its factorization.

425189412809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7848920.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 425189412809 in words is "four hundred twenty-five billion, one hundred eighty-nine million, four hundred twelve thousand, eight hundred nine".