4897945186971 has 32 divisors (see below), whose sum is σ = 7083693388800. Its totient is φ = 2998139089920.

The previous prime is 4897945186961. The next prime is 4897945186987. The reversal of 4897945186971 is 1796815497984.

4897945186971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4897945186971 - 2³⁹ = 4348189373083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4897945186961) 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 31 ways as a sum of consecutive naturals, for example, 89549010 + ... + 89603688.

It is an arithmetic number, because the mean of its divisors is an integer number (221365418400).

Almost surely, 2^{4897945186971} is an apocalyptic number.

4897945186971 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4897945186971 is a deficient number, since it is larger than the sum of its proper divisors (2185748201829).

4897945186971 is a wasteful number, since it uses less digits than its factorization.

4897945186971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97579.

The product of its digits is 1097349120, while the sum is 78.

It can be divided in two parts, 489794 and 5186971, that added together give a palindrome (5676765).

The spelling of 4897945186971 in words is "four trillion, eight hundred ninety-seven billion, nine hundred forty-five million, one hundred eighty-six thousand, nine hundred seventy-one".