425899647146 has 8 divisors (see below), whose sum is σ = 646936173120. Its totient is φ = 210254256108.

The previous prime is 425899647143. The next prime is 425899647161. The reversal of 425899647146 is 641746998524.

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 (425899647143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1347783536 + ... + 1347783851.

It is an arithmetic number, because the mean of its divisors is an integer number (80867021640).

Almost surely, 2^425899647146 is an apocalyptic number.

425899647146 is a deficient number, since it is larger than the sum of its proper divisors (221036525974).

425899647146 is a wasteful number, since it uses less digits than its factorization.

425899647146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695567468.

The product of its digits is 104509440, while the sum is 65.

The spelling of 425899647146 in words is "four hundred twenty-five billion, eight hundred ninety-nine million, six hundred forty-seven thousand, one hundred forty-six".