4002021413 has 16 divisors (see below), whose sum is σ = 4507042176. Its totient is φ = 3525867840.

The previous prime is 4002021409. The next prime is 4002021451. The reversal of 4002021413 is 3141202004.

It is a cyclic number.

It is not a de Polignac number, because 4002021413 - 2² = 4002021409 is a prime.

It is a super-2 number, since 2×4002021413² = 32032350780221033138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4002021391 and 4002021400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002021473) 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, 125303 + ... + 153963.

It is an arithmetic number, because the mean of its divisors is an integer number (281690136).

Almost surely, 2^4002021413 is an apocalyptic number.

It is an amenable number.

4002021413 is a deficient number, since it is larger than the sum of its proper divisors (505020763).

4002021413 is a wasteful number, since it uses less digits than its factorization.

4002021413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29164.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4002021413 is about 63261.5318578360. The cubic root of 4002021413 is about 1587.6684063640.

Adding to 4002021413 its reverse (3141202004), we get a palindrome (7143223417).

The spelling of 4002021413 in words is "four billion, two million, twenty-one thousand, four hundred thirteen".