6969421 has 2 divisors, whose sum is σ = 6969422. Its totient is φ = 6969420.

The previous prime is 6969401. The next prime is 6969449. The reversal of 6969421 is 1249696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6817321 + 152100 = 2611^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 6969421 - 2⁷ = 6969293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6969401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3484710 + 3484711.

It is an arithmetic number, because the mean of its divisors is an integer number (3484711).

Almost surely, 2^6969421 is an apocalyptic number.

It is an amenable number.

6969421 is a deficient number, since it is larger than the sum of its proper divisors (1).

6969421 is an equidigital number, since it uses as much as digits as its factorization.

6969421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 6969421 is about 2639.9660982672. The cubic root of 6969421 is about 191.0141615734.

The spelling of 6969421 in words is "six million, nine hundred sixty-nine thousand, four hundred twenty-one".