6930924390409 has 2 divisors, whose sum is σ = 6930924390410. Its totient is φ = 6930924390408.

The previous prime is 6930924390347. The next prime is 6930924390443. The reversal of 6930924390409 is 9040934290396.

6930924390409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6918609605625 + 12314784784 = 2630325^2 + 110972^2 .

It is a cyclic number.

It is not a de Polignac number, because 6930924390409 - 2¹¹ = 6930924388361 is a prime.

It is not a weakly prime, because it can be changed into another prime (6930924390449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3465462195204 + 3465462195205.

It is an arithmetic number, because the mean of its divisors is an integer number (3465462195205).

Almost surely, 2^{6930924390409} is an apocalyptic number.

It is an amenable number.

6930924390409 is a deficient number, since it is larger than the sum of its proper divisors (1).

6930924390409 is an equidigital number, since it uses as much as digits as its factorization.

6930924390409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11337408, while the sum is 58.

The spelling of 6930924390409 in words is "six trillion, nine hundred thirty billion, nine hundred twenty-four million, three hundred ninety thousand, four hundred nine".