6614413021 has 2 divisors, whose sum is σ = 6614413022. Its totient is φ = 6614413020.

The previous prime is 6614413007. The next prime is 6614413049. The reversal of 6614413021 is 1203144166.

It is an a-pointer prime, because the next prime (6614413049) can be obtained adding 6614413021 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6148284921 + 466128100 = 78411^2 + 21590^2 .

It is a cyclic number.

It is not a de Polignac number, because 6614413021 - 2⁹ = 6614412509 is a prime.

It is a super-2 number, since 2×6614413021² = 87500919224748692882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6614413081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3307206510 + 3307206511.

It is an arithmetic number, because the mean of its divisors is an integer number (3307206511).

Almost surely, 2^6614413021 is an apocalyptic number.

It is an amenable number.

6614413021 is a deficient number, since it is larger than the sum of its proper divisors (1).

6614413021 is an equidigital number, since it uses as much as digits as its factorization.

6614413021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 6614413021 is about 81329.0416825380. The cubic root of 6614413021 is about 1877.1418979754.

Adding to 6614413021 its reverse (1203144166), we get a palindrome (7817557187).

The spelling of 6614413021 in words is "six billion, six hundred fourteen million, four hundred thirteen thousand, twenty-one".