2163471029 has 4 divisors (see below), whose sum is σ = 2168289900. Its totient is φ = 2158652160.

The previous prime is 2163470999. The next prime is 2163471031. The reversal of 2163471029 is 9201743612.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1100580625 + 1062890404 = 33175^2 + 32602^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163471029 - 2⁸ = 2163470773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2163471029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163471529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2408762 + ... + 2409659.

It is an arithmetic number, because the mean of its divisors is an integer number (542072475).

Almost surely, 2^2163471029 is an apocalyptic number.

It is an amenable number.

2163471029 is a deficient number, since it is larger than the sum of its proper divisors (4818871).

2163471029 is an equidigital number, since it uses as much as digits as its factorization.

2163471029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818870.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2163471029 is about 46513.1274910643. The cubic root of 2163471029 is about 1293.3528606111.

The spelling of 2163471029 in words is "two billion, one hundred sixty-three million, four hundred seventy-one thousand, twenty-nine".