2164360441 has 4 divisors (see below), whose sum is σ = 2178886500. Its totient is φ = 2149834384.

The previous prime is 2164360427. The next prime is 2164360447. The reversal of 2164360441 is 1440634612.

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 830650041 + 1333710400 = 28821^2 + 36520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164360441 - 2¹³ = 2164352249 is a prime.

It is a super-2 number, since 2×2164360441² = 9368912237131428962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164360447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7262806 + ... + 7263103.

It is an arithmetic number, because the mean of its divisors is an integer number (544721625).

Almost surely, 2^2164360441 is an apocalyptic number.

It is an amenable number.

2164360441 is a deficient number, since it is larger than the sum of its proper divisors (14526059).

2164360441 is a wasteful number, since it uses less digits than its factorization.

2164360441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14526058.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2164360441 is about 46522.6873793851. The cubic root of 2164360441 is about 1293.5300705885.

The spelling of 2164360441 in words is "two billion, one hundred sixty-four million, three hundred sixty thousand, four hundred forty-one".