6941421009 has 8 divisors (see below), whose sum is σ = 10283586720. Its totient is φ = 4627613988.

The previous prime is 6941420987. The next prime is 6941421029. The reversal of 6941421009 is 9001241496.

It is a happy number.

It is not a de Polignac number, because 6941421009 - 2¹⁵ = 6941388241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6941421029) 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, 128544807 + ... + 128544860.

It is an arithmetic number, because the mean of its divisors is an integer number (1285448340).

Almost surely, 2^6941421009 is an apocalyptic number.

It is an amenable number.

6941421009 is a deficient number, since it is larger than the sum of its proper divisors (3342165711).

6941421009 is a wasteful number, since it uses less digits than its factorization.

6941421009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257089676 (or 257089670 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 6941421009 is about 83315.1907457458. The cubic root of 6941421009 is about 1907.5801531615.

The spelling of 6941421009 in words is "six billion, nine hundred forty-one million, four hundred twenty-one thousand, nine".