2164425701 has 4 divisors (see below), whose sum is σ = 2239061100. Its totient is φ = 2089790304.

The previous prime is 2164425677. The next prime is 2164425727. The reversal of 2164425701 is 1075244612.

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 1357922500 + 806503201 = 36850^2 + 28399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164425701 - 2²² = 2160231397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164425751) 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, 37317656 + ... + 37317713.

It is an arithmetic number, because the mean of its divisors is an integer number (559765275).

Almost surely, 2^2164425701 is an apocalyptic number.

It is an amenable number.

2164425701 is a deficient number, since it is larger than the sum of its proper divisors (74635399).

2164425701 is an equidigital number, since it uses as much as digits as its factorization.

2164425701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74635398.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2164425701 is about 46523.3887523254. The cubic root of 2164425701 is about 1293.5430713380.

The spelling of 2164425701 in words is "two billion, one hundred sixty-four million, four hundred twenty-five thousand, seven hundred one".