147819486851 has 4 divisors (see below), whose sum is σ = 147971722104. Its totient is φ = 147667251600.

The previous prime is 147819486797. The next prime is 147819486869. The reversal of 147819486851 is 158684918741.

147819486851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147819486851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147819486251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 76116170 + ... + 76118111.

It is an arithmetic number, because the mean of its divisors is an integer number (36992930526).

Almost surely, 2^147819486851 is an apocalyptic number.

147819486851 is a deficient number, since it is larger than the sum of its proper divisors (152235253).

147819486851 is an equidigital number, since it uses as much as digits as its factorization.

147819486851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152235252.

The product of its digits is 15482880, while the sum is 62.

The spelling of 147819486851 in words is "one hundred forty-seven billion, eight hundred nineteen million, four hundred eighty-six thousand, eight hundred fifty-one".