6920590393 has 2 divisors, whose sum is σ = 6920590394. Its totient is φ = 6920590392.

The previous prime is 6920590351. The next prime is 6920590399. The reversal of 6920590393 is 3930950296.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6914255104 + 6335289 = 83152^2 + 2517^2 .

It is a cyclic number.

It is not a de Polignac number, because 6920590393 - 2⁹ = 6920589881 is a prime.

It is a super-3 number, since 3×6920590393³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6920590399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3460295196 + 3460295197.

It is an arithmetic number, because the mean of its divisors is an integer number (3460295197).

Almost surely, 2^6920590393 is an apocalyptic number.

It is an amenable number.

6920590393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6920590393 is an equidigital number, since it uses as much as digits as its factorization.

6920590393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393660, while the sum is 46.

The square root of 6920590393 is about 83190.0859057135. The cubic root of 6920590393 is about 1905.6700791195.

The spelling of 6920590393 in words is "six billion, nine hundred twenty million, five hundred ninety thousand, three hundred ninety-three".