4000213611 has 12 divisors (see below), whose sum is σ = 6117973992. Its totient is φ = 2509937856.

The previous prime is 4000213603. The next prime is 4000213639. The reversal of 4000213611 is 1163120004.

It is a happy number.

4000213611 is a `hidden beast` number, since 40 + 0 + 0 + 2 + 13 + 611 = 666.

It is not a de Polignac number, because 4000213611 - 2³ = 4000213603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4000213661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13072441 + ... + 13072746.

It is an arithmetic number, because the mean of its divisors is an integer number (509831166).

Almost surely, 2^4000213611 is an apocalyptic number.

4000213611 is a deficient number, since it is larger than the sum of its proper divisors (2117760381).

4000213611 is a wasteful number, since it uses less digits than its factorization.

4000213611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26145210 (or 26145207 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 4000213611 is about 63247.2419240555. The cubic root of 4000213611 is about 1587.4293086591.

Adding to 4000213611 its reverse (1163120004), we get a palindrome (5163333615).

The spelling of 4000213611 in words is "four billion, two hundred thirteen thousand, six hundred eleven".