851738454853 has 8 divisors (see below), whose sum is σ = 1000643779296. Its totient is φ = 714745556400.

The previous prime is 851738454841. The next prime is 851738454883. The reversal of 851738454853 is 358454837158.

It is a happy number.

851738454853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 851738454853 - 2⁵ = 851738454821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 851738454791 and 851738454800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851738454883) 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, 2978106343 + ... + 2978106628.

It is an arithmetic number, because the mean of its divisors is an integer number (125080472412).

Almost surely, 2^851738454853 is an apocalyptic number.

It is an amenable number.

851738454853 is a deficient number, since it is larger than the sum of its proper divisors (148905324443).

851738454853 is a wasteful number, since it uses less digits than its factorization.

851738454853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956212995.

The product of its digits is 64512000, while the sum is 61.

The spelling of 851738454853 in words is "eight hundred fifty-one billion, seven hundred thirty-eight million, four hundred fifty-four thousand, eight hundred fifty-three".