2164056241 has 4 divisors (see below), whose sum is σ = 2238678900. Its totient is φ = 2089433584.

The previous prime is 2164056239. The next prime is 2164056283. The reversal of 2164056241 is 1426504612.

It is a happy number.

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 777238641 + 1386817600 = 27879^2 + 37240^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164056241 - 2¹ = 2164056239 is a prime.

It is a super-2 number, since 2×2164056241² = 9366278828422100162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164056341) 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, 37311286 + ... + 37311343.

It is an arithmetic number, because the mean of its divisors is an integer number (559669725).

Almost surely, 2^2164056241 is an apocalyptic number.

It is an amenable number.

2164056241 is a deficient number, since it is larger than the sum of its proper divisors (74622659).

2164056241 is an equidigital number, since it uses as much as digits as its factorization.

2164056241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74622658.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2164056241 is about 46519.4178918868. The cubic root of 2164056241 is about 1293.4694660366.

The spelling of 2164056241 in words is "two billion, one hundred sixty-four million, fifty-six thousand, two hundred forty-one".