2006021613 has 8 divisors (see below), whose sum is σ = 2790986688. Its totient is φ = 1279202144.

The previous prime is 2006021609. The next prime is 2006021623. The reversal of 2006021613 is 3161206002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2006021613 - 2² = 2006021609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2006021613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006021623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14536320 + ... + 14536457.

It is an arithmetic number, because the mean of its divisors is an integer number (348873336).

Almost surely, 2^2006021613 is an apocalyptic number.

2006021613 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2006021613 is a deficient number, since it is larger than the sum of its proper divisors (784965075).

2006021613 is a wasteful number, since it uses less digits than its factorization.

2006021613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29072803.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2006021613 is about 44788.6326315060. The cubic root of 2006021613 is about 1261.1842424945.

Adding to 2006021613 its reverse (3161206002), we get a palindrome (5167227615).

The spelling of 2006021613 in words is "two billion, six million, twenty-one thousand, six hundred thirteen".