6914421389 has 2 divisors, whose sum is σ = 6914421390. Its totient is φ = 6914421388.

The previous prime is 6914421383. The next prime is 6914421413. The reversal of 6914421389 is 9831244196.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6669498889 + 244922500 = 81667^2 + 15650^2 .

It is a cyclic number.

It is not a de Polignac number, because 6914421389 - 2¹⁶ = 6914355853 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6914421383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3457210694 + 3457210695.

It is an arithmetic number, because the mean of its divisors is an integer number (3457210695).

Almost surely, 2^6914421389 is an apocalyptic number.

It is an amenable number.

6914421389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6914421389 is an equidigital number, since it uses as much as digits as its factorization.

6914421389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 6914421389 is about 83152.9998797398. Note that the first 3 decimals coincide. The cubic root of 6914421389 is about 1905.1036736288.

The spelling of 6914421389 in words is "six billion, nine hundred fourteen million, four hundred twenty-one thousand, three hundred eighty-nine".