147856671849 has 16 divisors (see below), whose sum is σ = 202965436800. Its totient is φ = 95683674240.

The previous prime is 147856671847. The next prime is 147856671871. The reversal of 147856671849 is 948176658741.

It is not a de Polignac number, because 147856671849 - 2¹ = 147856671847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147856671849.

It is not an unprimeable number, because it can be changed into a prime (147856671841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2995842 + ... + 3044795.

It is an arithmetic number, because the mean of its divisors is an integer number (12685339800).

Almost surely, 2^147856671849 is an apocalyptic number.

It is an amenable number.

147856671849 is a deficient number, since it is larger than the sum of its proper divisors (55108764951).

147856671849 is a wasteful number, since it uses less digits than its factorization.

147856671849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040880.

The product of its digits is 81285120, while the sum is 66.

The spelling of 147856671849 in words is "one hundred forty-seven billion, eight hundred fifty-six million, six hundred seventy-one thousand, eight hundred forty-nine".