4014331645 has 16 divisors (see below), whose sum is σ = 4837460400. Its totient is φ = 3197988864.

The previous prime is 4014331597. The next prime is 4014331649. The reversal of 4014331645 is 5461334104.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 95481 + 4014236164 = 309^2 + 63358^2 .

It is a cyclic number.

It is not a de Polignac number, because 4014331645 - 2⁹ = 4014331133 is a prime.

It is a super-2 number, since 2×4014331645² = 32229717112096812050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4014331649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1374727 + ... + 1377643.

It is an arithmetic number, because the mean of its divisors is an integer number (302341275).

Almost surely, 2^4014331645 is an apocalyptic number.

It is an amenable number.

4014331645 is a deficient number, since it is larger than the sum of its proper divisors (823128755).

4014331645 is a wasteful number, since it uses less digits than its factorization.

4014331645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 4014331645 is about 63358.7534994179. The cubic root of 4014331645 is about 1589.2946312858.

Adding to 4014331645 its reverse (5461334104), we get a palindrome (9475665749).

The spelling of 4014331645 in words is "four billion, fourteen million, three hundred thirty-one thousand, six hundred forty-five".