2164746147 has 4 divisors (see below), whose sum is σ = 2886328200. Its totient is φ = 1443164096.

The previous prime is 2164746121. The next prime is 2164746149. The reversal of 2164746147 is 7416474612.

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

It is a cyclic number.

It is not a de Polignac number, because 2164746147 - 2⁶ = 2164746083 is a prime.

It is a super-2 number, since 2×2164746147² = 9372251761902691218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2164746099 and 2164746108.

It is not an unprimeable number, because it can be changed into a prime (2164746149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360791022 + ... + 360791027.

It is an arithmetic number, because the mean of its divisors is an integer number (721582050).

Almost surely, 2^2164746147 is an apocalyptic number.

2164746147 is a deficient number, since it is larger than the sum of its proper divisors (721582053).

2164746147 is an equidigital number, since it uses as much as digits as its factorization.

2164746147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721582052.

The product of its digits is 225792, while the sum is 42.

The square root of 2164746147 is about 46526.8325485413. The cubic root of 2164746147 is about 1293.6069050912.

The spelling of 2164746147 in words is "two billion, one hundred sixty-four million, seven hundred forty-six thousand, one hundred forty-seven".