851953426684 has 48 divisors (see below), whose sum is σ = 1700349235200. Its totient is φ = 370985239296.

The previous prime is 851953426673. The next prime is 851953426697. The reversal of 851953426684 is 486624359158.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7611964 + ... + 7723075.

It is an arithmetic number, because the mean of its divisors is an integer number (35423942400).

Almost surely, 2^851953426684 is an apocalyptic number.

It is an amenable number.

851953426684 is a deficient number, since it is larger than the sum of its proper divisors (848395808516).

851953426684 is a wasteful number, since it uses less digits than its factorization.

851953426684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15335122 (or 15335120 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 61.

The spelling of 851953426684 in words is "eight hundred fifty-one billion, nine hundred fifty-three million, four hundred twenty-six thousand, six hundred eighty-four".