851425330507 has 8 divisors (see below), whose sum is σ = 903826684800. Its totient is φ = 799281477504.

The previous prime is 851425330493. The next prime is 851425330529. The reversal of 851425330507 is 705033524158.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-851425330507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (851425330307) 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, 64368507 + ... + 64381732.

It is an arithmetic number, because the mean of its divisors is an integer number (112978335600).

Almost surely, 2^851425330507 is an apocalyptic number.

851425330507 is a deficient number, since it is larger than the sum of its proper divisors (52401354293).

851425330507 is a wasteful number, since it uses less digits than its factorization.

851425330507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128750645.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 851425330507 in words is "eight hundred fifty-one billion, four hundred twenty-five million, three hundred thirty thousand, five hundred seven".