2171285848 has 8 divisors (see below), whose sum is σ = 4071160980. Its totient is φ = 1085642920.

The previous prime is 2171285833. The next prime is 2171285863. The reversal of 2171285848 is 8485821712.

It is an interprime number because it is at equal distance from previous prime (2171285833) and next prime (2171285863).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2171285798 and 2171285807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135705358 + ... + 135705373.

Almost surely, 2^2171285848 is an apocalyptic number.

It is an amenable number.

2171285848 is a deficient number, since it is larger than the sum of its proper divisors (1899875132).

2171285848 is a wasteful number, since it uses less digits than its factorization.

2171285848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271410737 (or 271410733 counting only the distinct ones).

The product of its digits is 286720, while the sum is 46.

The square root of 2171285848 is about 46597.0583620898. The cubic root of 2171285848 is about 1294.9082582356.

The spelling of 2171285848 in words is "two billion, one hundred seventy-one million, two hundred eighty-five thousand, eight hundred forty-eight".